7Baggers

Allegiant Travel Company
(NASDAQ:ALGT) 

ALGT stock logo

Allegiant Travel Company, a leisure travel company, provides travel services and products to residents of under-served cities in the United States. The company offers scheduled air transportation on limited-frequency, nonstop flights between under-served cities and leisure destinations. As of Februa...

Founded: 1997
Full Time Employees: 4,275
Sector: Industrials
Industry: Airlines

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At a glance:
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Quarterly
Annual
    Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 
                                                                               
      operating revenues:
                                                                               
      passenger
    671,799,000 595,546,000 494,144,000 617,908,000 616,750,000 553,636,000 488,989,000 594,499,000 579,936,000 556,123,000 516,251,000 642,747,000 609,277,000 564,721,000 516,476,000 592,604,000 463,961,000 423,796,000 443,747,000 256,695,000 224,840,000 181,916,000 116,520,000 378,911,000 416,977,000 391,222,000 454,779,000 419,977,000                                                
      third party products
    42,335,000 34,939,000 39,397,000 33,649,000 35,203,000 32,204,000 39,423,000 37,102,000 33,399,000 26,693,000 30,944,000 28,904,000 26,037,000 23,560,000 27,132,000 27,787,000 22,480,000 24,541,000 23,001,000 13,622,000 10,726,000 11,337,000 8,443,000 15,976,000 16,455,000 18,207,000 18,208,000 17,141,000 14,015,000 15,921,000 17,799,000 10,325,000 13,313,000 12,348,000 14,304,000 12,742,000 10,458,000 11,259,000 11,965,000 11,258,000 8,514,000 9,890,000 10,976,000 10,797,000 8,249,000 8,051,000 9,657,000 10,629,000 7,297,000 8,646,000 10,370,000 10,717,000 8,184,000 9,036,000 9,782,000 9,122,000 6,794,000 7,842,000 8,291,000 6,989,000 5,542,000 6,730,000 7,152,000 4,942,000            
      fixed fee contracts
    18,123,000 25,524,000 18,852,000 17,019,000 16,252,000 23,541,000 20,559,000 17,699,000 18,861,000 24,949,000 17,741,000 11,741,000 14,117,000 22,751,000 15,881,000 8,920,000 13,386,000 11,117,000 5,134,000 7,692,000 4,360,000 5,284,000 3,237,000 8,919,000 10,714,750 19,797,000 12,487,000 10,575,000                                                
      resort and other
    175,000 180,000 9,539,000 20,808,000 30,869,000 18,324,000 13,225,000 16,983,000 24,210,000                                                                   
      total operating revenues
    732,432,000 656,189,000 561,932,000 689,384,000 699,074,000 627,705,000 562,196,000 666,283,000 656,406,000 611,002,000 565,359,000 683,810,000 649,687,000 611,549,000 560,325,000 629,847,000 500,109,000 459,469,000 472,433,000 279,124,000 246,561,000 200,984,000 133,347,000 409,181,000 461,073,000 436,509,000 491,759,000 451,622,000                                                
      operating expenses:
                                                                               
      salaries and benefits
    218,085,000 191,082,000 196,394,000 214,102,000 231,439,000 201,248,000 195,326,000 209,942,000 213,327,000 188,005,000 163,004,000 177,170,000 159,623,000 141,386,000 137,336,000 139,681,000 134,010,000                                                           
      aircraft fuel
    180,241,000 156,392,000 151,254,000 165,752,000 166,333,000 139,367,000 148,241,000 170,060,000 170,087,000 175,853,000 167,861,000 162,611,000 189,546,000 185,203,000 208,175,000 257,288,000 164,137,000 118,370,000 109,456,000 82,848,000 53,116,000 52,540,000 27,358,000 88,813,000 103,574,000 104,583,000 119,987,000 99,682,000 103,808,000 113,525,000 122,454,000 106,027,000 92,863,000 80,421,000 85,387,000 84,662,000 74,363,000 69,305,000 60,005,000 53,659,000 61,409,000 68,272,000 79,087,000 69,626,000 79,908,000 94,864,000 104,495,000 108,949,000 90,796,000 89,195,000 97,076,000 108,491,000 91,638,000 89,928,000 94,218,000 102,411,000 80,898,000 84,118,000 86,454,000 79,187,000 61,588,000 62,495,000 62,222,000 57,366,000 43,777,000 41,837,000 33,398,000 56,795,000 72,068,000 63,494,000 25,816,250 36,628,000 35,458,000 31,179,000  
      station operations
    76,482,000 77,406,000 71,390,000 75,248,000 73,505,000 65,945,000 70,632,000 69,798,000 66,468,000 63,696,000 64,630,000 66,715,000 61,520,000 56,214,000 66,302,000 66,909,000 65,744,000 70,943,000 57,210,000 43,094,000 36,412,000 39,954,000 27,405,000 40,999,000 43,063,000 43,522,000 45,870,000 38,965,000 38,754,000 43,128,000 41,553,000 37,584,000 34,602,000 37,148,000 38,998,000 31,832,000 27,739,000 32,252,000 33,328,000 30,734,000 27,526,000 26,454,000 24,462,000 23,852,000 21,214,000 21,064,000 20,157,000 22,233,000 19,561,000 19,114,000 20,211,000 19,345,000 20,655,000 18,601,000 19,572,000 19,529,000 16,529,000 17,154,000 16,553,000 16,473,000 15,177,000 16,268,000 15,493,000 15,682,000 13,875,000 13,866,000 13,133,000 10,309,000 10,493,000 12,019,000 6,254,750 8,186,000 8,198,000 8,635,000  
      depreciation and amortization
    57,926,000 58,403,000 58,952,000 68,519,000 63,312,000 65,129,000 63,918,000 65,361,000 63,844,000 58,700,000 55,816,000 53,933,000 54,680,000 51,924,000 50,092,000 49,183,000 46,343,000 46,399,000 44,522,000 43,174,000 43,982,000 45,291,000 43,296,000 43,699,000 41,740,000 39,436,000 38,494,000 36,182,000 36,710,000 34,658,000 29,833,000 28,149,000 29,142,000 31,894,000 30,129,000 30,549,000 29,254,000 25,881,000 25,396,000 24,685,000 24,500,000 24,346,000 24,904,000 24,347,000 23,054,000 22,174,000 19,750,000 18,431,000 17,374,000 17,106,000 17,892,000 16,892,000 16,667,000 15,704,000 13,162,000 11,970,000 11,253,000 10,676,000 10,156,000 9,890,000 9,144,000 8,779,000 8,351,000 8,691,000 7,633,000 7,251,000 6,882,000 6,219,000 5,956,000 5,015,000 2,903,250 4,238,000 3,715,000 3,660,000  
      maintenance and repairs
    35,216,000 38,797,000 39,908,000 36,379,000 34,854,000 34,144,000 30,278,000 30,730,000 30,278,000 28,249,000 35,477,000 33,634,000 26,442,000 26,694,000 32,177,000 31,123,000 27,820,000 30,451,000 22,597,000 23,371,000 15,029,000 14,038,000 13,032,000 21,795,000 23,243,000 24,768,000 20,877,000 22,824,000 23,151,000 31,983,000 24,611,000 19,270,000 25,870,000 28,870,000 28,645,000 30,095,000 29,054,000 26,263,000 29,261,000 26,492,000 22,087,000 25,369,000 23,727,000 21,392,000 22,191,000 22,562,000 21,427,000 20,600,000 16,045,000 18,310,000 20,335,000 18,128,000 19,029,000 18,311,000 15,092,000 21,465,000 23,806,000 21,075,000 20,132,000 16,215,000 16,358,000 16,782,000 14,669,000 12,770,000 12,985,000 12,765,000 11,132,000 10,099,000 11,362,000 10,453,000 4,538,000 5,933,000 5,692,000 6,527,000  
      sales and marketing
    28,201,000 24,470,000 23,040,000 26,837,000 25,096,000 23,074,000 24,869,000 27,498,000 30,419,000 29,351,000 28,468,000 29,868,000 26,928,000 25,216,000 25,815,000 27,297,000 22,350,000 22,047,000 17,632,000 11,609,000 8,186,000 7,967,000 8,909,000 18,455,000 19,853,000 17,591,000 20,540,000 20,926,000 19,290,000 16,798,000 18,348,000 19,078,000 15,967,000 13,884,000 12,861,000 9,998,000 3,753,000 5,650,000 5,317,000 5,808,000 4,442,000 4,053,000 5,753,000 7,101,000 6,223,000 7,808,000 6,653,000 7,818,000 5,951,000 4,514,000 5,405,000 5,808,000 4,081,000 4,190,000 5,491,000 5,460,000 4,329,000 4,919,000 5,407,000 5,250,000 3,953,000 3,908,000 4,118,000 5,083,000 3,907,000 4,394,000 4,467,000 3,099,000 3,670,000 4,334,000 2,343,750 3,310,000 3,033,000 3,032,000  
      aircraft lease rentals
    7,461,000 8,450,000 11,096,000 11,023,000 5,920,000 5,920,000 5,920,000 5,749,000 5,985,000 5,975,000 5,906,000 5,975,000 7,092,000                101,000 671,000 75,000 21,000  533,000 2,400,000 164,000  472,000 219,000 233,000 234,000 695,000 680,000 718,000 3,048,000 1,565,000 1,903,000 9,429,000 5,534,000 2,025,000 1,365,000 303,000     153,000 303,000 330,000 315,000 154,000 489,000 571,000 507,000 507,000 507,000 405,000 517,000 936,000 1,008,000 531,250 817,000 657,000 651,000  
      other
    19,934,000 16,483,000 33,615,000 41,089,000 35,168,000 28,728,000 40,563,000 34,134,000 47,451,000 3,237,000 423,000 418,000 256,000 517,000 836,000 536,000 282,000 15,000 551,000 1,115,000 1,570,000 2,447,000 5,147,000 5,375,000 5,443,000 7,283,000 6,285,000 3,929,000 -49,481,000 28,459,000 24,039,000 22,384,000 24,400,000 24,315,000 24,777,000 19,351,000 22,815,000 23,394,000 18,296,000 16,670,000 18,247,000 14,717,000 17,135,000 15,553,000 17,740,000 14,016,000 12,446,000 11,354,000 13,252,000 11,243,000 11,052,000 10,463,000 11,458,000 8,517,000 8,534,000 7,437,000 7,205,000 7,007,000 10,821,000 7,209,000 7,907,000 6,978,000 8,081,000 7,401,000 6,176,000 5,952,000 4,815,000 4,459,000 5,238,000 5,327,000 4,000,750 4,979,000 5,984,000 5,040,000  
      special charges, net of recoveries
    27,782,000 17,863,000 3,473,000 117,924,000 -1,555,000 328,129,000 8,790,000 18,114,000 13,099,000 8,817,000 32,648,000                                                                 
      total operating expenses
    651,328,000 589,346,000 589,122,000 756,873,000 634,072,000 891,684,000 588,537,000 631,386,000 640,958,000 600,390,000 583,242,000 550,381,000 554,862,000 522,350,000 591,236,000 603,717,000 492,880,000 393,180,000 333,582,000 254,522,000 270,209,000 234,065,000 246,599,000 526,986,000 368,421,000 364,393,000 383,654,000 360,544,000 349,026,000 366,928,000 362,558,000 345,476,000 352,389,000 305,853,000 315,418,000 302,949,000 267,767,000 256,641,000 240,375,000 227,489,000 217,128,000 222,874,000 229,346,000 221,142,000 264,158,000 236,162,000 234,128,000 245,253,000 208,189,000 199,642,000 212,990,000 220,592,000 197,461,000 188,116,000 189,298,000 201,540,000 173,763,000 174,769,000 179,737,000 165,404,000 141,183,000 144,141,000 140,269,000 133,392,000 111,165,000 110,203,000 97,641,000 108,769,000 126,883,000 118,776,000 55,403,750 76,784,000 74,783,000   
      operating income
    81,104,000 66,843,000 -27,190,000 -67,489,000 65,002,000 -263,979,000 -26,341,000 34,897,000 15,448,000 10,612,000 -17,883,000 133,429,000 94,825,000 89,199,000 -30,911,000 26,130,000 7,229,000 66,289,000 138,851,000 24,602,000 -23,648,000 -33,081,000 -113,252,000 -117,805,000 92,652,000 72,116,000 108,105,000 91,078,000 63,088,000 26,181,000 74,222,000 79,968,000 26,169,000 42,916,000 85,196,000 72,888,000 68,116,000 76,840,000 104,476,000 121,126,000 93,762,000 77,082,000 92,756,000 108,099,000 14,794,000 28,867,000 56,413,000 57,271,000 30,282,000 29,232,000 42,856,000 52,367,000 25,377,000 28,748,000 41,868,000 36,311,000 20,174,000 16,731,000 20,712,000 27,827,000 20,850,000 19,480,000 28,081,000 36,245,000 21,940,000 37,784,000 44,478,000 8,117,000 4,675,000 14,364,000 9,500,500 9,543,000 14,158,000 14,301,000  
      yoy
    24.77% -125.32% 3.22% -293.39% 320.78% -2587.55% 47.30% -73.85% -83.71% -88.10% -42.15% 410.64% 1211.73% 34.56% -122.26% 6.21% -130.57% -300.38% -222.60% -120.88% -125.52% -145.87% -204.76% -229.35% 46.86% 175.45% 45.65% 13.89% 141.08% -38.99% -12.88% 9.71% -61.58% -44.15% -18.45% -39.82% -27.35% -0.31% 12.64% 12.05% 533.78% 167.02% 64.42% 88.75% -51.15% -1.25% 31.63% 9.36% 19.33% 1.68% 2.36% 44.22% 25.79% 71.82% 102.14% 30.49% -3.24% -14.11% -26.24% -23.23% -4.97% -48.44% -36.87% 346.53% 369.30% 163.05% 368.16% -14.94% -66.98% 0.44%      
      qoq
    21.34% -345.84% -59.71% -203.83% -124.62% 902.16% -175.48% 125.90% 45.57% -159.34% -113.40% 40.71% 6.31% -388.57% -218.30% 261.46% -89.09% -52.26% 464.39% -204.03% -28.51% -70.79% -3.86% -227.15% 28.48% -33.29% 18.69% 44.37% 140.97% -64.73% -7.19% 205.58% -39.02% -49.63% 16.89% 7.01% -11.35% -26.45% -13.75% 29.18% 21.64% -16.90% -14.19% 630.69% -48.75% -48.83% -1.50% 89.13% 3.59% -31.79% -18.16% 106.36% -11.73% -31.34% 15.30% 79.99% 20.58% -19.22% -25.57% 33.46% 7.03% -30.63% -22.52% 65.20% -41.93% -15.05% 447.96% 73.63% -67.45% 51.19% -0.45% -32.60% -1.00%   
      other expenses:
                                                                               
      interest income
    -8,714,000 -9,295,000 -10,108,000 -10,359,000 -11,935,000 -10,571,000 -10,071,000 -11,130,000 -12,241,000 -12,197,000 -12,444,000 -11,845,000 -10,128,000 -8,560,000 -4,918,000 -2,218,000 -773,000 -375,000 -500,000 -463,000 -913,000 -868,000 -1,417,000 -2,311,000 -2,485,000 -3,335,000 -3,502,000 -3,201,000 -2,967,000 -2,425,000 -1,927,000 -1,907,000 -1,615,000 -1,454,000 -1,475,000 -1,264,000 -78,000 -1,028,000 -938,000 -966,000 -443,000 -301,000 -542,000 -105,000 -229,000 -106,000 -234,000 -205,000 -237,000 -328,000 -216,000 -262,000 -242,000 -230,000 -267,000 -244,000 -236,000 -338,000 -386,000 -276,000 -188,000 -241,000              
      interest expense
    29,227,000 35,579,000 38,116,000 35,756,000 40,783,000 37,674,000 39,065,000 39,544,000 40,160,000 40,479,000 39,233,000 37,765,000 35,708,000 37,181,000 34,242,000 24,497,000 19,791,000 16,595,000 16,720,000 16,788,000 16,344,000 11,943,000 14,053,000 18,153,000 18,270,000 19,506,000 20,942,000 18,083,000 13,574,000 14,309,000 13,156,000 12,724,000 11,658,000 10,041,000 8,889,000 8,401,000 7,269,000 6,938,000 7,390,000 7,239,000 5,979,000 6,687,000 7,017,000 6,826,000 7,388,000 7,097,000 3,591,000 3,128,000 2,754,000 2,257,000 2,294,000 2,188,000 2,210,000 2,255,000 2,200,000 2,074,000 1,889,000 2,255,000 2,235,000 796,000 522,000 596,000 655,000 749,000 1,040,000 1,017,000 1,101,000 1,302,000 1,489,000 1,415,000 1,034,250 1,368,000 1,361,000 1,408,000  
      capitalized interest
    -4,291,000 -3,388,000 -3,166,000 -4,562,000 -6,488,000 -10,667,000 -11,923,000 -11,609,000 -11,185,000 -16,183,000 -14,888,000 -8,881,000 -5,180,000 -5,046,000 -4,296,000 -2,082,000 -1,216,000 -401,000      -4,067,000 -1,028,000 -903,000 -1,038,000 -1,503,000                                                
      total other expenses
    15,080,000   21,075,000 23,062,000 17,718,000 17,101,000 16,872,000 16,785,000 12,405,000 12,036,000 17,084,000 20,407,000   20,298,000 17,796,000 16,058,000 16,280,000 15,932,000 15,569,000 11,627,000 33,164,000  14,018,000 15,211,000 16,316,000 17,159,000                                                
      income before income taxes
    66,024,000 43,904,000 -52,154,000 -88,564,000 41,940,000 -281,697,000 -43,442,000 18,025,000 -1,337,000 -1,793,000 -29,919,000 116,345,000 74,418,000 65,851,000 -56,162,000 5,832,000 -10,567,000 50,231,000 122,571,000 8,670,000 -39,217,000 -44,708,000 -146,416,000 -130,726,000 78,634,000 56,905,000 91,789,000 73,919,000 52,468,000 14,415,000 63,043,000 69,391,000 16,431,000 34,729,000 78,275,000 66,111,000 62,009,000 70,991,000 98,096,000 114,862,000 88,245,000 70,763,000 86,336,000 101,374,000 7,679,000 21,977,000 53,131,000 54,345,000 27,774,000 27,517,000 40,910,000 50,479,000 23,452,000 26,815,000 39,854,000 34,526,000 18,438,000 14,892,000 18,883,000 27,301,000 20,533,000 19,231,000 27,803,000 35,765,000 21,471,000 37,538,000 44,071,000 7,706,000 4,161,000 14,680,000 10,796,500 11,100,000 15,781,000 16,305,000  
      income tax provision
    23,546,000   -23,398,000 9,838,000 -65,467,000 -6,653,000 4,326,000 -418,000 163,000 -4,853,000 27,876,000 18,269,000   1,474,000 -2,686,000 10,977,000 27,544,000 1,801,000 -10,379,000 -15,565,000 -53,313,000                                                     
      net income
    42,478,000 31,941,000 -43,574,000 -65,166,000 32,102,000 -216,230,000 -36,789,000 13,699,000 -919,000 -1,956,000 -25,066,000 88,469,000 56,149,000 52,475,000 -46,459,000 4,358,000 -7,881,000 39,254,000 95,027,000 6,869,000 -28,838,000 -29,143,000 -93,103,000 -33,009,000 60,521,000 43,929,000 70,543,000 57,124,000 41,446,000 15,147,000 50,016,000 55,193,000 82,502,000 22,293,000 48,475,000 41,632,000 41,310,000 45,453,000 60,847,000 71,980,000 56,709,000 44,458,000 54,339,000 64,823,000 4,751,000 14,111,000 33,367,000 34,075,000 17,264,000 16,997,000 25,687,000 31,831,000 14,642,000 16,886,000 25,183,000 21,703,000 10,810,000 9,486,000 11,949,000 17,153,000 12,381,000 13,159,000 17,562,000 22,600,000 13,776,000 23,852,000 28,162,000 4,890,000 2,646,000 9,672,000 6,684,500 7,015,000 9,976,000 9,747,000  
      yoy
    32.32% -114.77% 18.44% -575.70% -3593.14% 10954.70% 46.77% -84.52% -101.64% -103.73% -46.05% 1930.04% -812.46% 33.68% -148.89% -36.56% -72.67% -234.69% -202.07% -120.81% -147.65% -166.34% -231.98% -157.78% 46.02% 190.02% 41.04% 3.50% -49.76% -32.05% 3.18% 32.57% 99.71% -50.95% -20.33% -42.16% -27.15% 2.24% 11.98% 11.04% 1093.62% 215.06% 62.85% 90.24% -72.48% -16.98% 29.90% 7.05% 17.91% 0.66% 2.00% 46.67% 35.45% 78.01% 110.75% 26.53% -12.69% -27.91% -31.96% -24.10% -10.13% -44.83% -37.64% 362.17% 420.63% 146.61% 321.30% -30.29% -73.48% -0.77%      
      qoq
    32.99% -173.30% -33.13% -303.00% -114.85% 487.76% -368.55% -1590.64% -53.02% -92.20% -128.33% 57.56% 7.00% -212.95% -1166.06% -155.30% -120.08% -58.69% 1283.42% -123.82% -1.05% -68.70% 182.05% -154.54% 37.77% -37.73% 23.49% 37.83% 173.63% -69.72% -9.38% -33.10% 270.08% -54.01% 16.44% 0.78% -9.11% -25.30% -15.47% 26.93% 27.56% -18.18% -16.17% 1264.41% -66.33% -57.71% -2.08% 97.38% 1.57% -33.83% -19.30% 117.40% -13.29% -32.95% 16.03% 100.77% 13.96% -20.61% -30.34% 38.54% -5.91% -25.07% -22.29% 64.05% -42.24% -15.30% 475.91% 84.81% -72.64% 44.69% -4.71% -29.68% 2.35%   
      earnings per share to common shareholders:
                                                                               
      basic
    2.3   -3.62 1.74 -12.11 -2.05 0.75 -0.07 -0.12 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.56 0.94 3.1 3.43 5.09 1.39 2.94 2.5 2.49 2.76 3.69 4.29 3.4 2.63 3.19 3.75 0.31 0.8 1.87 1.87 0.93 0.91 1.35 1.66 0.78 0.88 1.31 1.13 0.56 0.5 0.63 0.9 0.66 0.68 0.89 1.14 0.69 1.19 1.39 0.24 0.13 0.47 0.333 0.34 0.5 0.49  
      diluted
    2.3   -3.62 1.73 -12.11 -2.05 0.75 -0.07 -0.14 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.55 0.94 3.1 3.42 5.08 1.39 2.94 2.5 2.48 2.75 3.68 4.29 3.39 2.62 3.18 3.74 0.32 0.8 1.86 1.86 0.92 0.91 1.34 1.65 0.77 0.87 1.3 1.12 0.56 0.49 0.62 0.89 0.65 0.67 0.87 1.12 0.68 1.17 1.37 0.24 0.13 0.47 0.325 0.34 0.49 0.48  
      shares used for computation:
                                                                               
      basic
    18,207 40 18,050 17,995 17,984 50 17,913 17,828 17,664 66 17,721 17,677 17,766 -26 18,014 17,987 17,954 17,766 17,064 16,167 39 16,006 15,902 15,952 -10 16,037 16,063 16,011 12 15,957 15,939 15,889 -69 15,852 16,198 16,382 -28 16,389 16,420 16,678                                    
      diluted
    18,219 40 18,050 17,995 18,022 50 17,913 17,869 17,664 106 17,721 17,683 17,769 49 18,014 18,006 17,954 17,767 17,073 16,167 39 16,006 15,902 15,952 -4 16,039 16,069 16,013 29 15,962 15,945 15,898 -65 15,862 16,220 16,404 -25 16,406 16,442 16,699                                    
      cash dividends declared per share:
           0.6 0.6               0.7 0.7 0.7 0.7 0.7 0.525 0.7 0.7 0.7 0.7 0.7 0.7 0.7                                        
      other incomes:
                                                                               
      total other incomes
     17,275,500 24,964,000           15,836,250 25,251,000         12,921,000                                                    
      income tax benefit
     -5,535,000 -8,580,000           -2,729,000 -9,703,000         -97,717,000                                                    
      loss per share to common shareholders:
                                                                               
      basic
     -1.065 -2.41                                                                         
      diluted
     -1.065 -2.41                                                                         
      special charges, net of recovery
               -11,208,000                                                                
      special charges
                -1,612,000 -814,000 35,142,000 142,000 142,000 332,000 854,000 1,738,000 25,447,000 33,585,000 81,169,000 172,900,000                                                    
      aircraft lease rental
                 6,132,000 5,905,000 5,451,000 6,132,000 5,670,000 5,117,000 4,720,000 1,351,000 3,015,000 1,427,000 962,000                                                    
      payroll support programs grant recognition
                     -49,210,000 -61,213,000 -91,758,000                                                        
      loss on debt extinguishment
                      71,000  305,500   1,222,000 919,250   3,677,000                                                
      salary and benefits
                     125,799,000 121,906,000 117,950,000 74,561,000 95,829,000 94,790,000 112,646,000 109,859,000 107,586,000 113,592,000 119,411,000 101,578,000 97,706,000 101,645,000 112,963,000 94,292,000 88,788,000 92,221,000 96,298,000 80,789,000 73,424,000 68,553,000 69,208,000 58,683,000 58,968,000 53,598,000 58,553,000 47,500,000 52,109,000 47,297,000 46,439,000 39,676,000 38,135,000 39,654,000 41,162,000 33,933,000 32,865,000 33,229,000 33,268,000 29,590,000 29,517,000 29,884,000 30,865,000 26,902,000 28,442,000 26,764,000 25,892,000 22,305,000 23,631,000 23,409,000 17,272,000 17,160,000 17,126,000 9,015,750 12,693,000 12,046,000 11,324,000  
      cares act grant recognition
                         -77,909,000 -74,539,000                                                     
      provision for income taxes
                            18,113,000 12,976,000 21,246,000 16,795,000 11,022,000 -732,000 13,027,000 14,198,000 -66,071,000 12,436,000 29,800,000 24,479,000 20,699,000 25,538,000 37,249,000 42,882,000 31,536,000 26,305,000 31,997,000 36,551,000 11,975,000 7,866,000               7,369,500 6,072,000 10,241,000             
      operating revenue:
                                                                               
      passenger revenue
                                289,360,750 355,100,000 405,572,000 396,771,000                                            
      fixed fee contract revenue
                                8,250,000 14,791,000 7,653,000 10,556,000 14,588,000 11,831,000 11,029,000 11,259,000 9,282,000 9,183,000 6,706,000 6,800,000 7,754,000 4,640,000 2,986,000 4,368,000 6,895,000 4,899,000 2,963,000 2,646,000 5,195,000 3,985,000 3,095,000 5,187,000 11,375,000 12,084,000 9,815,000 9,631,000 12,522,000 9,676,000 9,470,000 12,022,000 10,434,000 8,972,000 9,903,000 11,267,000 11,274,000 9,485,000 10,127,000 14,234,000 12,577,000 14,257,000 7,060,000 7,359,000 7,533,000   
      other revenue
                                5,211,250 7,297,000 5,756,000 7,792,000 9,611,000 10,708,000 9,261,000 8,174,000 8,220,000 8,377,000 8,345,000 8,022,000 7,639,000 7,870,000 8,397,000 8,478,000 8,118,000 7,988,000 2,968,000 274,000 408,000 1,200,000 566,000 309,000 712,000 2,743,000 2,443,000 2,320,000 3,158,000 3,532,000 3,388,000 371,000 189,000 359,000 342,000 344,000 465,000 4,246,000 476,000 1,265,000 2,230,000  176,250 705,000    
      total operating revenue
                                313,833,250 393,109,000 436,780,000 425,444,000 378,558,000 348,769,000 400,614,000 375,837,000 335,883,000 333,481,000 344,851,000 348,615,000 310,890,000 299,956,000 322,102,000 329,241,000 278,952,000 265,029,000 290,541,000 302,524,000 238,471,000 228,874,000 255,846,000 272,959,000 222,838,000 216,864,000 231,166,000 237,851,000 193,937,000 191,500,000 200,449,000 193,231,000 162,033,000 163,621,000 168,350,000 169,637,000 133,105,000 147,987,000 142,119,000 116,886,000 131,558,000 133,140,000 64,904,250 86,327,000 88,941,000 84,349,000  
      other expense:
                                                                               
      total other expense
                                8,380,250 11,766,000 11,179,000 10,577,000 9,738,000 8,187,000 6,921,000 6,777,000 6,107,000 5,849,000 6,380,000 6,264,000 5,517,000 6,319,000 6,420,000 6,725,000 3,274,750 6,890,000               251,750 249,000 278,000             
      scheduled service revenue
                                    202,359,000 183,064,000 220,615,000 212,097,000 185,325,000 177,361,000 189,122,000 201,606,000 178,721,000 170,002,000 186,311,000 200,529,000 172,433,000 166,893,000 189,172,000 203,521,000 157,618,000 148,466,000 165,301,000 179,933,000 139,668,000 133,086,000 151,648,000 161,634,000 127,597,000 125,545,000 133,309,000 128,533,000 105,751,000 104,188,000 107,452,000 110,434,000 81,075,000 89,711,000 90,196,000 73,796,000 87,643,000 91,736,000 46,531,750 62,274,000 65,622,000   
      ancillary revenue:
                                                                               
      air-related charges
                                    138,687,000 130,818,000 145,405,000 131,565,000 122,598,000 127,301,000 128,713,000 120,929,000 108,262,000 107,554,000 113,432,000 105,069,000 83,257,000 77,198,000 85,781,000 85,454,000 67,953,000 66,577,000 76,514,000 76,813,000 62,899,000 59,915,000 57,478,000 55,144,000 43,866,000 44,905,000 45,991,000 45,316,000 40,117,000 43,372,000 43,501,000 42,650,000            
      total ancillary revenue
                                    152,000,000 143,166,000 159,709,000 144,307,000 133,056,000 138,560,000 140,678,000 132,187,000 116,776,000 117,444,000 124,408,000 115,866,000 91,506,000 85,249,000 95,438,000 96,083,000 75,250,000 75,223,000 86,884,000 87,530,000 71,083,000 68,951,000 67,260,000 64,266,000 50,660,000 52,747,000 54,282,000 52,305,000 45,659,000 50,102,000 50,653,000 47,592,000            
      earnings per share to common stockholders:
                                                                               
      basic
    2.3   -3.62 1.74 -12.11 -2.05 0.75 -0.07 -0.12 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.56 0.94 3.1 3.43 5.09 1.39 2.94 2.5 2.49 2.76 3.69 4.29 3.4 2.63 3.19 3.75 0.31 0.8 1.87 1.87 0.93 0.91 1.35 1.66 0.78 0.88 1.31 1.13 0.56 0.5 0.63 0.9 0.66 0.68 0.89 1.14 0.69 1.19 1.39 0.24 0.13 0.47 0.333 0.34 0.5 0.49  
      diluted
    2.3   -3.62 1.73 -12.11 -2.05 0.75 -0.07 -0.14 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.55 0.94 3.1 3.42 5.08 1.39 2.94 2.5 2.48 2.75 3.68 4.29 3.39 2.62 3.18 3.74 0.32 0.8 1.86 1.86 0.92 0.91 1.34 1.65 0.77 0.87 1.3 1.12 0.56 0.49 0.62 0.89 0.65 0.67 0.87 1.12 0.68 1.17 1.37 0.24 0.13 0.47 0.325 0.34 0.49 0.48  
      net loss attributable to noncontrolling interest
                                               -44,000 -85,000 -61,000                              
      net income attributable to allegiant travel company
                                        41,310,000 45,453,000 60,847,000 71,980,000 56,709,000 44,458,000 54,339,000 64,867,000 4,797,000 14,172,000 33,499,000 34,222,000 17,475,000 17,106,000 25,760,000 31,932,000 14,766,000 16,945,000                      
      cash dividend declared per share:
                                        0.425 0.7 0.7 0.3 0.2 0.3 0.25 0.25                                
      earnings from unconsolidated affiliates
                                            -29,250 -67,000 -55,000  -44,000 -101,000 -75,000  -9,000 -214,000  -38,000 -43,000 -92,000                      
      weighted-average shares outstanding used in computing earnings per share to common shareholders:
                                                                               
      basic
                                             16,831 16,954 17,197 17,729 17,605 17,777 18,166 18,936 18,629 18,921 19,081 19,079 19,116 19,053 18,989 18,935 18,940 18,931 18,909  19,349 19,805 19,805 19,822 20,057 20,219 20,223 20,192 20,471  20,472 19,988 19,796  
      diluted
                                             16,869 16,992 17,237 17,782 17,704 17,865 18,248 19,050 18,794 19,041 19,207 19,276 19,305 19,303 19,200 19,125 19,128 19,131 19,090  19,569 20,170 20,222 20,120 20,344 20,512 20,467 20,413 20,710  20,783 20,433 20,290  
      weighted-average shares outstanding used in computing earnings per share to common stockholders:
                                                                               
      basic
                                             16,831 16,954 17,197 17,729 17,605 17,777 18,166 18,936 18,629 18,921 19,081 19,079 19,116 19,053 18,989 18,935 18,940 18,931 18,909  19,349 19,805 19,805 19,822 20,057 20,219 20,223 20,192 20,471  20,472 19,988 19,796  
      diluted
                                             16,869 16,992 17,237 17,782 17,704 17,865 18,248 19,050 18,794 19,041 19,207 19,276 19,305 19,303 19,200 19,125 19,128 19,131 19,090  19,569 20,170 20,222 20,120 20,344 20,512 20,467 20,413 20,710  20,783 20,433 20,290  
      loss from unconsolidated affiliates
                                               4,000                                
      other income:
                                                                               
      total other income
                                                  3,282,000 2,926,000 2,508,000 1,715,000 1,946,000 1,888,000 1,925,000 1,933,000 2,014,000 1,785,000 1,736,000 1,839,000 1,829,000 526,000    480,000 469,000 246,000 407,000 411,000 514,000       
      benefit from income taxes
                                                  19,764,000 20,270,000 10,510,000 10,520,000 15,223,000 18,648,000 8,810,000 9,929,000 14,671,000 12,823,000 7,628,000 5,406,000 6,934,000 10,148,000    13,165,000 7,695,000 13,686,000 15,909,000 2,816,000 1,515,000 5,008,000 4,112,000 4,085,000 5,805,000 6,558,000  
      net income attributable to noncontrolling interest
                                                  -132,000 -147,000 -211,000 -109,000 -73,000 -101,000 -124,000 -59,000                      
      (earnings) income from unconsolidated affiliates
                                                   3,000   -132,000     -45,000 83,000 -78,000 -20,000                 
      loss (earnings) from unconsolidated affiliates
                                                          81,000          22,000           
      income from unconsolidated affiliates
                                                               6,000    142,000            
      (earnings) loss from unconsolidated affiliates
                                                                750 -106,000              
      earnings per share:
                                                                               
      basic
    2.3   -3.62 1.74 -12.11 -2.05 0.75 -0.07 -0.12 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.56 0.94 3.1 3.43 5.09 1.39 2.94 2.5 2.49 2.76 3.69 4.29 3.4 2.63 3.19 3.75 0.31 0.8 1.87 1.87 0.93 0.91 1.35 1.66 0.78 0.88 1.31 1.13 0.56 0.5 0.63 0.9 0.66 0.68 0.89 1.14 0.69 1.19 1.39 0.24 0.13 0.47 0.333 0.34 0.5 0.49  
      diluted
    2.3   -3.62 1.73 -12.11 -2.05 0.75 -0.07 -0.14 -1.44 4.8 3.09 2.92 -2.58 0.24 -0.44 2.18 5.49 0.42 -1.78 -1.82 -5.85 -2.08 3.72 2.7 4.33 3.52 2.55 0.94 3.1 3.42 5.08 1.39 2.94 2.5 2.48 2.75 3.68 4.29 3.39 2.62 3.18 3.74 0.32 0.8 1.86 1.86 0.92 0.91 1.34 1.65 0.77 0.87 1.3 1.12 0.56 0.49 0.62 0.89 0.65 0.67 0.87 1.12 0.68 1.17 1.37 0.24 0.13 0.47 0.325 0.34 0.49 0.48  
      weighted-average shares outstanding:
                                                                               
      basic
                                             16,831 16,954 17,197 17,729 17,605 17,777 18,166 18,936 18,629 18,921 19,081 19,079 19,116 19,053 18,989 18,935 18,940 18,931 18,909  19,349 19,805 19,805 19,822 20,057 20,219 20,223 20,192 20,471  20,472 19,988 19,796  
      diluted
                                             16,869 16,992 17,237 17,782 17,704 17,865 18,248 19,050 18,794 19,041 19,207 19,276 19,305 19,303 19,200 19,125 19,128 19,131 19,090  19,569 20,170 20,222 20,120 20,344 20,512 20,467 20,413 20,710  20,783 20,433 20,290  
      ancillary revenue
                                                                    40,291,000 44,545,000 41,320,000 27,591,000 29,108,000 27,147,000 11,136,250 15,989,000 15,786,000   
      loss on fuel derivatives
                                                                               
      loss (earnings) from joint venture
                                                                      7,000  53,000       
      (gain) loss on fuel derivatives
                                                                               
      (earnings) income from joint venture
                                                                               
      other income
                                                                          15,750   63,000  
      gain on fuel derivatives
                                                                         11,000      
      earnings from joint venture
                                                                               
      unaudited net income per share data :
                                                                               
      basic pro-forma net income per share
                                                                               
      diluted pro-forma net income per share
                                                                               
      unaudited net income per share data
                                                                               
      scheduled service revenues
                                                                             58,231,000  
      fixed fee contract revenues
                                                                             13,348,000  
      ancillary revenues
                                                                             12,770,000  
      total operating expense
                                                                             70,048,000  
      weighted-average shares:
                                                                               
      basic
                                             16,831 16,954 17,197 17,729 17,605 17,777 18,166 18,936 18,629 18,921 19,081 19,079 19,116 19,053 18,989 18,935 18,940 18,931 18,909  19,349 19,805 19,805 19,822 20,057 20,219 20,223 20,192 20,471  20,472 19,988 19,796  
      diluted
                                             16,869 16,992 17,237 17,782 17,704 17,865 18,248 19,050 18,794 19,041 19,207 19,276 19,305 19,303 19,200 19,125 19,128 19,131 19,090  19,569 20,170 20,222 20,120 20,344 20,512 20,467 20,413 20,710  20,783 20,433 20,290  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 
                                                                                
        current assets
                                                                                
        cash and cash equivalents
      283,447,000 172,696,000 316,221,000 209,873,000 283,768,000 285,892,000 265,874,000 215,799,000 193,414,000 143,259,000 284,213,000 152,239,000 317,573,000 229,989,000 240,528,000 396,091,000 403,085,000 193,627,000 418,448,000 301,615,000 152,764,000 268,042,000 272,210,000 138,361,000 121,888,000 88,114,000 453,852,000 243,282,000 81,520,000 140,752,000 28,981,000 50,777,000 59,449,000 74,023,000 20,040,000 64,732,000 64,711,000 48,718,000 105,683,000 102,134,000 87,112,000 78,545,000 93,471,000 107,108,000 89,610,000 86,197,000 335,263,000 90,118,000 97,711,000 32,988,000 86,379,000 116,607,000 89,557,000 157,123,000 170,981,000 139,548,000 150,740,000 87,338,000 115,916,000 113,293,000 106,322,000 154,120,000 133,671,000 67,122,000 89,262,000 117,461,000 133,542,000 148,746,000 180,763,000  165,808,000 185,809,000 175,339,000 130,273,000 
        restricted cash
      21,127,000 18,064,000 28,609,000 18,028,000 19,020,000 16,427,000 25,015,000 16,338,000 16,859,000 16,325,000 22,475,000 16,381,000 17,157,000 15,457,000 30,671,000 21,960,000 26,220,000 42,337,000 32,942,000 25,212,000 17,555,000 17,426,000 15,432,000 15,671,000 14,897,000 20,475,000 14,318,000 14,496,000 14,391,000 20,317,000 13,253,000 12,370,000 11,190,000 17,335,000 11,423,000 11,253,000 11,647,000 13,787,000 10,436,000 9,323,000 10,358,000 13,197,000 8,884,000 11,021,000 12,021,000 17,682,000 11,626,000 10,774,000 10,531,000 13,694,000 10,184,000 11,873,000 10,046,000 14,607,000 13,736,000 15,309,000 13,986,000 16,862,000 21,526,000 21,287,000 23,510,000 20,411,000 20,036,000 19,672,000 16,726,000 15,629,000 17,311,000 17,782,000 13,819,000  13,007,000 11,241,000 10,582,000 8,639,000 
        short-term investments
      618,716,000 632,959,000 640,495,000 632,946,000 594,830,000 495,234,000 493,393,000 576,115,000 616,461,000 671,414,000 651,213,000 825,167,000 690,593,000 725,063,000 761,362,000 813,243,000 808,949,000 877,344,000 767,410,000 426,381,000 532,477,000 441,764,000 390,864,000 314,946,000 335,928,000 314,822,000 216,746,000 286,955,000 314,464,000 284,616,000 343,180,000 341,262,000 352,681,000 351,519,000 323,117,000 288,727,000 269,269,000 269,341,000 255,424,000 240,654,000 245,583,000 246,985,000 286,897,000 295,399,000 269,817,000 272,555,000 212,982,000 254,769,000 253,378,000 250,067,000 272,063,000 284,697,000 239,139,000 199,990,000 201,226,000 210,780,000 154,779,000 194,583,000 189,899,000 37,000,000 19,407,000 31,297,000 115,490,000 155,242,000 138,987,000 118,947,000 5,033,000 5,006,000 7,428,000  6,904,000   5,808,000 
        accounts receivable
      49,683,000 57,110,000 57,164,000 74,919,000 85,571,000 90,407,000 62,324,000 76,475,000 72,494,000 70,743,000 43,957,000 47,147,000 57,798,000 106,578,000 79,150,000 85,315,000 91,070,000 147,407,000 175,388,000 188,116,000 192,215,000 166,924,000 208,573,000 190,108,000 25,516,000 31,450,000 36,100,000 34,209,000 36,014,000 33,672,000 24,184,000 64,344,000 71,057,000 22,780,000 23,917,000 17,327,000 40,667,000 28,173,000 20,041,000 14,346,000 15,146,000 15,712,000 14,004,000 13,468,000 14,216,000 16,508,000 20,456,000 18,651,000 16,857,000 16,589,000 16,916,000 14,616,000 18,635,000 16,562,000 14,305,000 13,802,000 12,866,000 9,044,000 9,342,000 7,852,000 7,776,000 8,107,000 7,416,000 6,162,000 6,709,000 6,920,000 8,803,000 12,483,000 14,709,000  9,986,000 8,353,000 7,344,000 5,750,000 
        expendable parts, supplies and fuel
      43,815,000  33,835,000 33,758,000 33,583,000  35,645,000 35,347,000 35,806,000  38,381,000 34,566,000 35,086,000  39,070,000 35,566,000 36,098,000 28,424,000 30,194,000 26,276,000  26,305,000 25,856,000 28,700,000  27,210,000 25,131,000 19,527,000  23,790,000 20,419,000 18,335,000  20,444,000 17,855,000 16,345,000 16,797,000 16,627,000 16,584,000 15,581,000 15,583,000 16,846,000                                 
        prepaid expenses and other current assets
      50,600,000 52,393,000 38,326,000 42,576,000 61,527,000 67,575,000 48,365,000 60,381,000 72,072,000 63,054,000 103,253,000 132,998,000 181,893,000 161,636,000 46,772,000 50,270,000 45,070,000 31,619,000 32,537,000 32,088,000 24,616,000 30,742,000 24,552,000 43,011,000  43,356,000 34,100,000 35,477,000                                               
        total current assets
      1,067,388,000 967,653,000 1,114,650,000 1,206,750,000 1,078,299,000 991,605,000 930,616,000 980,455,000 1,007,106,000 1,001,130,000 1,143,492,000 1,208,498,000 1,300,100,000 1,274,269,000 1,197,553,000 1,402,445,000 1,410,492,000 1,320,758,000 1,456,919,000 999,688,000 943,633,000 951,203,000 937,487,000 730,797,000 562,221,000 525,427,000 780,247,000 633,946,000 495,248,000 533,916,000 465,293,000 516,805,000 541,275,000 517,974,000 426,914,000 426,147,000 422,054,000 393,429,000 427,901,000 400,515,000 395,243,000 403,477,000 452,895,000 476,783,000 433,627,000 440,313,000 634,461,000 426,923,000 429,921,000 358,773,000 431,188,000 474,677,000 415,267,000 435,921,000 447,029,000 430,762,000 376,361,000 353,141,000 384,422,000 219,403,000 208,291,000 259,129,000 306,606,000 270,174,000 275,857,000 275,776,000 190,181,000 210,139,000 238,261,000  219,069,000 227,632,000 213,583,000 168,656,000 
        property and equipment
      3,066,835,000  2,973,141,000 2,892,648,000 3,103,052,000  3,448,723,000 3,493,396,000 3,523,343,000  3,328,122,000 3,176,517,000 2,946,941,000  2,738,516,000 2,555,334,000 2,427,180,000 2,147,988,000 2,116,618,000 2,072,211,000  2,004,829,000 2,076,448,000 2,210,721,000  2,102,815,000 2,019,774,000 1,940,480,000  1,816,805,000 1,746,707,000 1,635,821,000 1,512,415,000 1,331,798,000 1,212,771,000 1,121,230,000 1,095,314,000 1,066,108,000 937,125,000 930,550,000 885,942,000 832,822,000 818,961,000 775,474,000 738,783,000 717,058,000 667,360,000 442,818,000 451,584,000 455,955,000 390,310,000 346,030,000 351,204,000 353,515,000 342,169,000 327,528,000 307,842,000 302,229,000 297,557,000 267,298,000 259,220,000 249,317,000 238,988,000 209,435,000 212,026,000 210,837,000 210,085,000 207,441,000 177,407,000  159,215,000 137,444,000 137,643,000 131,214,000 
        long-term investments
      31,392,000 32,823,000 34,540,000 9,931,000 27,714,000 51,725,000 45,290,000 59,154,000 43,799,000 56,004,000 71,582,000 69,296,000 68,801,000 63,318,000          11,019,000 15,542,000 39,057,000 24,704,000 24,605,000 51,526,000 53,353,000 56,358,000 85,659,000 78,570,000 76,913,000 159,769,000 172,845,000 124,834,000 65,247,000 72,882,000 68,434,000 64,752,000 60,095,000 34,575,000 35,531,000 57,390,000 99,143,000  20,924,000 36,037,000 20,577,000 32,841,000 30,488,000 24,030,000 14,834,000 17,924,000 18,782,000 14,007,000 21,484,000                 
        deferred major maintenance
      143,634,000  153,498,000 160,634,000 169,827,000  173,440,000 174,732,000 165,701,000  166,086,000 168,137,000 162,221,000  148,719,000 147,387,000 145,529,000 146,563,000 145,296,000 131,910,000  127,457,000 131,141,000 133,424,000  99,564,000 89,868,000 83,869,000  44,402,000 36,957,000 33,321,000  27,551,000 28,813,000 17,550,000 17,347,000                                      
        operating lease right-of-use assets
      60,301,000 63,389,000 67,635,000 70,165,000 75,725,000 81,218,000 86,629,000 91,971,000 97,046,000 100,707,000 105,663,000 110,493,000 106,999,000 111,679,000 116,471,000 121,078,000 125,616,000 124,297,000 128,537,000 116,998,000 115,911,000 114,573,000 99,819,000 70,260,000  22,433,000 22,233,000 22,788,000                                               
        deposits and other assets
      45,067,000 49,494,000 48,781,000 49,013,000 49,245,000 61,464,000 103,554,000 103,904,000 98,136,000 98,691,000 97,391,000 96,605,000 95,359,000 93,928,000 209,705,000 211,629,000 122,450,000 27,147,000 27,336,000 24,393,000 21,607,000 25,031,000 28,074,000 35,686,000 44,497,000 45,184,000 45,374,000 44,789,000 36,753,000 32,019,000 20,190,000 17,359,000 16,571,000 11,736,000 11,730,000 11,972,000 12,027,000  9,057,000 5,296,000 5,725,000 4,716,000 8,271,000 9,249,000 7,774,000 11,382,000 11,247,000 11,134,000 10,689,000 3,942,000 4,995,000 5,192,000 5,536,000 10,519,000 9,872,000 11,730,000 5,053,000 7,644,000 13,343,000 12,582,000 15,888,000 18,852,000 3,778,000 4,274,000 4,455,000 6,335,000 2,119,000 2,280,000 8,088,000  8,374,000 6,032,000 3,057,000 3,286,000 
        total assets:
      4,414,617,000 4,209,401,000 4,392,245,000 4,389,141,000 4,503,862,000 4,429,853,000 4,788,252,000 4,903,612,000 4,935,131,000 4,869,410,000 4,912,336,000 4,829,546,000 4,680,421,000 4,511,297,000 4,410,964,000 4,437,873,000 4,231,267,000 3,766,753,000 3,874,706,000 3,345,200,000 3,258,925,000 3,223,093,000 3,272,969,000 3,191,907,000 3,010,803,000 2,834,480,000 2,982,200,000 2,750,477,000 2,498,668,000 2,480,495,000 2,325,505,000                                            
        current liabilities
                                                                                
        accounts payable
      75,318,000 64,506,000 55,289,000 69,355,000 70,619,000 62,092,000 55,296,000 71,937,000 69,486,000 54,484,000 55,476,000 63,995,000 65,936,000 58,335,000 51,394,000 63,558,000 59,140,000 35,386,000 57,143,000 37,767,000 34,197,000 64,674,000 51,286,000 62,460,000 27,667,000 21,493,000 32,097,000 28,690,000 27,452,000 17,299,000 27,473,000 29,801,000 20,108,000 19,247,000 18,002,000 25,295,000 16,010,000 11,021,000 10,306,000 11,070,000 6,801,000 7,358,000 12,120,000 16,110,000 13,232,000 18,678,000 18,435,000 21,927,000 15,823,000 11,582,000 17,281,000 18,933,000 14,533,000 23,271,000 22,961,000 23,922,000 16,756,000 38,478,000 35,369,000 24,759,000 24,327,000 26,274,000 27,813,000 19,478,000 21,751,000 21,682,000 15,448,000 25,413,000 22,815,000  19,045,000 18,614,000 21,211,000 17,409,000 
        accrued liabilities
      186,660,000 186,019,000 373,940,000 416,216,000 363,202,000 327,404,000 297,849,000 311,419,000 297,329,000 305,078,000 272,719,000 263,358,000 225,510,000 259,164,000 256,429,000 226,083,000 216,690,000 148,634,000 182,914,000 129,795,000 116,093,000 130,665,000 225,284,000 154,009,000 161,693,000 121,399,000 147,483,000 136,075,000 122,027,000 110,705,000 124,326,000 119,448,000 105,127,000 84,210,000 110,842,000 85,927,000 96,661,000 106,876,000 109,934,000 91,080,000 109,462,000 71,463,000 84,389,000 83,390,000 110,802,000 60,260,000 52,858,000 51,488,000 87,203,000 42,260,000 45,342,000 43,255,000 36,476,000 36,045,000 41,913,000 46,536,000 34,096,000 17,756,000 17,821,000 23,679,000 11,647,000 15,227,000 17,769,000 17,984,000 22,899,000 20,920,000 13,005,000 13,131,000 12,539,000  7,827,000 10,097,000 14,574,000 10,248,000 
        accrued pilot retention bonus
      255,984,000 235,887,000                                                                         
        current operating lease liabilities
      10,380,000 10,936,000 12,679,000 15,235,000 18,379,000 20,714,000 22,023,000 22,225,000 21,944,000 20,873,000 20,663,000 21,088,000 20,200,000 19,973,000 19,792,000 19,551,000 19,314,000 17,642,000 16,940,000 15,247,000 14,313,000 13,814,000                                                     
        air traffic liability
      488,801,000 363,328,000 388,303,000 363,514,000 439,639,000 370,915,000 397,000,000 389,956,000 432,561,000 353,488,000 395,836,000 411,131,000 479,530,000 379,459,000 429,924,000 451,087,000 452,622,000 351,522,000 436,728,000 403,049,000 307,508,000 334,061,000 354,735,000 303,835,000 249,950,000 267,676,000 267,050,000 276,241,000 212,230,000 231,731,000 236,932,000 256,773,000 210,184,000 224,554,000 237,835,000 244,920,000 194,001,000 220,527,000 240,867,000 241,218,000 198,136,000 209,725,000 222,584,000 233,761,000 185,315,000 195,128,000 192,594,000 209,114,000 167,388,000 160,499,000 172,874,000 185,901,000 147,914,000 139,441,000 157,719,000 165,237,000 118,768,000 116,967,000 152,592,000 101,397,000 101,773,000 118,825,000 121,721,000 84,247,000 89,994,000 103,532,000 77,776,000 81,532,000 96,392,000  76,738,000 72,336,000 77,846,000 45,277,000 
        current loyalty program liability
      40,119,000 39,711,000 40,831,000 38,958,000 40,002,000 41,510,000 41,509,000 40,837,000 40,182,000 38,447,000                                                                 
        current maturities of long-term debt and finance lease obligations, net of related costs
      121,346,000  270,633,000 183,063,000 266,611,000  420,882,000 485,641,000 459,171,000  265,979,000 270,216,000 289,669,000  152,550,000 157,957,000 140,450,000 139,590,000 144,382,000 156,482,000  233,680,000 227,732,000 223,600,000  138,685,000 160,523,000 154,027,000                                               
        total current liabilities
      1,178,608,000 1,018,462,000 1,141,675,000 1,093,656,000 1,198,452,000 1,277,404,000 1,234,559,000 1,322,015,000 1,320,673,000 1,212,307,000 1,049,695,000 1,067,506,000 1,117,262,000 869,831,000 910,089,000 918,236,000 888,216,000 692,774,000 838,107,000 742,340,000 689,345,000 776,894,000 859,037,000 743,904,000 612,584,000 549,253,000 607,153,000 595,033,000 513,996,000 1,014,432,000 533,123,000 560,872,000 550,180,000 493,848,000 483,066,000 444,340,000 392,898,000 475,876,000 441,192,000 423,135,000 388,468,000 358,139,000 384,327,000 394,019,000 363,168,000 325,961,000 315,404,000 302,963,000 290,651,000 227,925,000 247,517,000 259,962,000 210,546,000 210,340,000 234,038,000 243,785,000 177,505,000 181,349,000 212,206,000 166,613,000 154,056,000 180,609,000 188,721,000 147,728,000 161,143,000 172,121,000 130,009,000 144,334,000 153,123,000  120,121,000 115,801,000 128,424,000 87,822,000 
        long-term debt and finance lease obligations, net of current maturities and related costs
      1,670,488,000  1,785,811,000 1,778,855,000 1,747,280,000  1,767,250,000 1,733,248,000 1,789,577,000  2,020,019,000 1,887,785,000 1,816,151,000  1,840,000,000 1,803,533,000 1,634,539,000 1,434,614,000 1,441,083,000 1,459,570,000  1,316,171,000 1,273,439,000 1,264,389,000  1,213,299,000 1,338,734,000 1,203,709,000                                               
        deferred income taxes
      322,897,000 305,416,000 293,869,000 301,851,000 315,678,000 315,593,000 366,631,000 387,974,000 384,036,000 384,602,000 366,641,000 371,044,000 348,334,000 346,388,000 332,506,000 345,118,000 344,454,000 310,952,000 310,700,000 303,390,000 301,763,000 292,661,000 292,728,000 292,126,000 232,520,000 211,801,000 199,689,000 180,136,000 164,027,000 140,555,000 144,254,000 131,647,000 118,492,000 140,050,000 127,631,000 77,807,000 75,338,000 47,740,000 48,395,000 47,919,000  6,271,000 6,271,000 6,271,000 6,271,000 3,003,000 4,039,000 3,503,000 4,206,000 744,000 818,000 851,000 796,000 14,000 13,000 13,000 13,000 255,000 98,000 246,000 289,000 254,000 299,000 106,000 87,000 120,000 1,733,000 2,583,000 2,290,000     237,000 
        noncurrent operating lease liabilities
      51,576,000 54,170,000 56,747,000 56,617,000 59,165,000 62,392,000 66,562,000 71,852,000 77,519,000 82,410,000 87,689,000 92,285,000 89,903,000 94,972,000 100,111,000 105,198,000 110,210,000 110,322,000 114,761,000 103,103,000 102,289,000 101,864,000                                                     
        noncurrent loyalty program liability
      36,382,000 37,921,000 41,160,000 43,112,000 40,386,000 39,201,000 38,934,000 33,574,000 31,283,000 32,366,000                                                                 
        other noncurrent liabilities
      58,593,000 59,214,000 57,628,000 59,129,000 30,170,000 34,136,000 14,416,000 21,914,000 9,887,000 9,448,000 12,361,000 10,238,000 14,158,000 35,330,000 39,285,000 33,417,000 31,552,000 27,027,000 22,921,000 27,143,000 24,388,000 23,805,000 111,205,000 81,585,000 33,569,000 33,519,000 32,115,000 33,145,000 10,878,000 14,160,000 11,138,000 11,716,000 13,407,000 12,521,000 8,732,000 9,112,000 7,670,000 7,417,000                                     
        total liabilities:
      3,318,544,000 3,156,724,000 3,376,890,000 3,333,220,000 3,391,131,000 3,340,461,000 3,488,352,000 3,570,577,000 3,612,975,000 3,540,850,000 3,569,191,000 3,455,985,000 3,409,024,000 3,290,599,000 3,221,991,000 3,205,502,000 3,008,971,000 2,575,689,000 2,727,572,000 2,635,546,000 2,559,562,000 2,511,395,000 2,536,409,000 2,382,004,000 2,127,252,000 2,007,872,000 2,177,691,000 2,012,023,000 1,808,347,000 1,827,499,000 1,680,837,000 1,689,161,000 1,632,210,000 1,492,146,000 1,380,511,000 1,246,642,000 1,197,954,000 1,092,526,000  1,042,334,000                                   
        shareholders' equity
                                                                                
        common stock
      26,000 26,000 26,000 26,000 26,000 26,000 26,000 26,000 26,000 26,000 26,000 26,000 25,000 25,000 25,000 25,000 25,000 25,000 25,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 23,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000 22,000   21,000 21,000 21,000 21,000 21,000 21,000 20,000 20,000 20,000  21,000 21,000 20,000 20,000 
        treasury shares
      -682,566,000  -686,121,000 -684,635,000 -689,551,000  -681,774,000 -680,041,000 -682,075,000  -672,644,000 -671,224,000 -672,493,000  -633,332,000 -633,332,000 -638,057,000 -642,177,000 -642,177,000 -646,008,000  -648,118,000 -648,118,000 -651,352,000  -620,655,000 -605,115,000                                                
        additional paid in capital
      774,181,000  769,926,000 766,902,000 763,767,000 760,600,000 757,475,000 754,255,000 747,873,000 741,055,000 734,132,000 727,534,000 714,506,000 709,471,000 703,633,000 698,982,000 695,323,000 675,795,000 671,893,000 333,147,000 329,753,000 315,150,000 310,628,000 295,267,000 289,933,000 285,318,000 280,783,000 276,247,000 270,935,000 266,907,000 263,034,000 259,225,000 253,840,000 251,032,000 246,906,000 243,039,000 238,236,000 234,298,000 232,303,000 230,519,000 228,945,000 229,365,000 222,319,000 224,209,000 221,257,000 220,229,000 215,776,000 214,093,000 209,213,000 208,019,000 205,348,000 202,669,000 201,012,000 195,592,000 192,212,000 189,048,000 187,013,000 185,338,000 181,740,000 180,704,000 179,655,000 178,290,000 174,907,000 170,527,000 168,900,000 166,644,000 162,675,000 161,734,000 160,992,000  160,005,000 158,737,000 134,577,000 136,159,000 
        accumulated other comprehensive income
      3,403,000 4,644,000 4,914,000 3,444,000 3,139,000 3,949,000 4,696,000 2,529,000 2,783,000 3,991,000 3,195,000 2,639,000 3,242,000  1,154,000 2,744,000 5,411,000 649,000  1,000  183,000 425,000 -624,000  29,000           -230,000 57,000 375,000 423,000 834,000 1,527,000 1,669,000 2,031,000          43,000      -9,000 -4,000  14,000 340,000 543,000 483,000      13,000 13,000 4,000 
        retained earnings
      1,001,029,000 958,551,000 926,610,000 970,184,000 1,035,350,000 1,003,248,000 1,219,477,000 1,256,266,000 1,253,549,000 1,265,420,000 1,278,436,000 1,314,586,000 1,226,117,000 1,169,968,000 1,117,493,000 1,163,952,000 1,159,594,000 1,156,772,000 1,117,518,000 1,022,491,000 1,015,622,000 1,044,460,000 1,073,602,000 1,166,589,000 1,211,076,000 1,161,893,000 1,128,822,000 1,069,690,000 1,025,061,000 994,942,000 991,109,000 952,403,000 902,579,000 831,334,000 820,300,000 783,358,000 753,397,000 723,732,000 689,819,000 640,545,000 573,619,000 549,679,000 510,354,000 456,316,000 395,783,000 434,690,000 420,519,000 387,020,000 352,811,000 377,123,000 360,017,000 334,257,000 302,325,000 326,161,000 309,216,000 284,033,000 262,330,000 251,520,000 230,085,000 212,932,000 200,551,000 187,392,000 184,772,000 151,631,000 137,855,000 114,003,000 67,642,000 62,752,000 60,106,000  45,738,000 38,723,000 28,835,000  
        total equity:
      1,096,073,000 1,052,677,000 1,015,355,000 1,055,921,000 1,112,731,000 1,089,392,000 1,299,900,000 1,333,035,000 1,322,156,000 1,328,560,000 1,343,145,000 1,373,561,000 1,271,397,000 1,220,698,000 1,188,973,000 1,232,371,000 1,222,296,000 1,191,064,000 1,147,134,000 709,654,000 699,363,000 711,698,000 736,560,000 809,903,000 883,551,000 826,608,000 804,509,000 738,454,000 690,321,000 652,996,000 644,668,000                                            
        total liabilities and shareholders' equity:
      4,414,617,000 4,209,401,000 4,392,245,000 4,389,141,000 4,503,862,000 4,429,853,000 4,788,252,000 4,903,612,000 4,935,131,000 4,869,410,000 4,912,336,000 4,829,546,000 4,680,421,000 4,511,297,000 4,410,964,000 4,437,873,000 4,231,267,000 3,766,753,000 3,874,706,000 3,345,200,000 3,258,925,000 3,223,093,000 3,272,969,000 3,191,907,000 3,010,803,000 2,834,480,000 2,982,200,000 2,750,477,000 2,498,668,000 2,480,495,000 2,325,505,000                                            
        expendable parts, supplies and fuel, net of reserve of 14,691 and 12,597
       34,431,000                                                                         
        property and equipment (including 101,712 and 107,290 from vies, note 6), net of accumulated depreciation of 1,178,315 and 1,067,194
       2,947,536,000                                                                         
        deferred major maintenance, net of accumulated amortization of 170,226 and 165,333
       148,506,000                                                                         
        current maturities of long-term debt and finance lease obligations (including 13,307 and 12,787 from vies, note 6), net of related costs of 4,245 and 8,287
       118,075,000                                                                         
        long-term debt and other noncurrent liabilities
                                                                                
        long-term debt and finance lease obligations (including 81,642 and 94,950 from vies, note 6), net of current maturities and related costs of 12,404 and 8,842
       1,681,541,000                                                                         
        commitments and contingencies
                                                                                
        treasury shares, at cost, 7,181,391 and 7,172,646 shares at december 31, 2025 and 2024, respectively
       -682,511,000                                                                         
        additional paid-in capital
       771,967,000                                                                         
        assets held for sale
         194,650,000                                                                       
        liabilities held for sale
         7,315,000                                                                       
        expendable parts, supplies and fuel, net of reserve of 12,597 and 10,284
           36,070,000                                                                     
        property and equipment (including 107,290 and 129,646 from vies, note 6), net of accumulated depreciation of 1,067,194 and 964,866
           3,069,949,000                                                                     
        deferred major maintenance, net of accumulated amortization of 165,333 and 143,275
           173,892,000                                                                     
        current maturities of long-term debt and finance lease obligations (including 12,787 and 22,627 from vies, note 6), net of related costs of 8,287 and 8,038
           454,769,000                                                                     
        long-term debt and finance lease obligations (including 94,950 and 107,737 from vies, note 6), net of current maturities and related costs of 8,842 and 14,477
           1,611,735,000                                                                     
        treasury shares, at cost, 7,172,646 and 7,232,733 shares in 2024 and 2023
           -678,431,000                                                                     
        expendable parts, supplies and fuel, net of reserve of 10,284 and 8,079
               36,335,000                                                                 
        property and equipment (including 129,646 and 80,591 from vies, note 6), net of accumulated depreciation of 964,866 and 814,837
               3,447,111,000                                                                 
        deferred major maintenance, net of accumulated amortization of 143,275 and 108,779
               165,767,000                                                                 
        current maturities of long-term debt and finance lease obligations (including 22,627 and 9,315 from vies, note 6), net of related costs of 8,038 and 6,599
               439,937,000                                                                 
        long-term debt and finance lease obligations (including 107,737 and 69,812 from vies, note 6), net of current maturities and related costs of 14,477 and 16,866
               1,819,717,000                                                                 
        treasury shares, at cost, 7,232,733 and 6,958,096 shares in 2023 and 2022, respectively
               -681,932,000                                                                 
        loyalty program liability
                39,022,000 37,718,000 36,417,000                                                              
        expendable parts, supplies and fuel, net of reserve of 8,079 and 6,041
                   35,546,000                                                             
        property and equipment (including 80,591 and 84,406 from vies, note 6), net of accumulated depreciation of 814,837 and 696,178
                   2,810,693,000                                                             
        deferred major maintenance, net of accumulated amortization of 108,779 and 75,177
                   157,410,000                                                             
        current maturities of long-term debt and finance lease obligations (including 9,315 and 9,000 from vies, note 6), net of related costs of 6,599 and 7,751
                   152,900,000                                                             
        long-term debt and finance lease obligations (including 69,812 and 79,127 from vies, note 6), net of current maturities and related costs of 16,866 and 15,664
                   1,944,078,000                                                             
        treasury shares, at cost, 6,958,096 and 6,652,412 shares in 2022 and 2021, respectively
                   -660,023,000                                                             
        accumulated other comprehensive gain
                   1,257,000       -27,000    98,000                     672,000 193,000   30,000                         
        accumulated other comprehensive loss
                        -125,000        -4,000 -190,000 -661,000 -1,227,000 -2,473,000 -3,959,000 -2,840,000 -1,645,000 -1,391,000 -592,000            -4,000 -12,000  -10,000 -17,000 -69,000  -48,000 -112,000 -26,000 -61,000 -17,000                
        expendable parts, supplies and fuel, net of reserve of 4,323 and 2,748
                          24,006,000                                                      
        property and equipment (including 187,166 and 195,796 from vies, note 7), net of accumulated depreciation of 598,546 and 484,510
                          2,050,311,000                                                      
        deferred major maintenance, net of accumulated amortization of 57,022 and 34,423
                          127,463,000                                                      
        current maturities of long-term debt and finance lease obligations (including 17,610 and 17,327 from vies, note 7), net of related costs of 7,527 and 5,694
                          217,234,000                                                      
        long-term debt and finance lease obligations (including 135,683 and 159,324 from vies, note 7), net of current maturities and related costs of 15,926 and 17,930
                          1,441,777,000                                                      
        treasury shares, at cost, 6,692,172 and 6,532,453 shares in 2020 and 2019, respectively
                          -646,008,000                                                      
        expendable parts, supplies and fuel, net of reserve of 2,748 and 14,410
                              28,375,000                                                  
        prepaid expenses
                              34,605,000    29,122,000 30,640,000 34,447,000 27,941,000 23,931,000 25,102,000 25,753,000 25,194,000 16,277,000 15,129,000 17,692,000 16,316,000 18,276,000 22,817,000 24,937,000 26,858,000 24,306,000 24,215,000 27,035,000 30,116,000 26,643,000 22,237,000 22,829,000 26,658,000 24,371,000 24,518,000 27,406,000 31,867,000 24,861,000 27,248,000 30,073,000 24,071,000 34,304,000 28,323,000 16,765,000 9,572,000 9,092,000 6,229,000 12,051,000 7,583,000 11,263,000  11,075,000 10,600,000 10,551,000 8,162,000 
        other current assets
                              1,012,000    221,000 129,000 829,000 1,776,000 5,320,000 6,771,000 4,809,000 2,569,000 2,686,000 1,654,000 2,041,000 2,161,000 3,185,000 3,104,000 3,292,000 699,000 406,000 3,751,000 4,255,000 1,350,000 1,167,000 1,380,000 4,168,000 3,871,000 14,291,000 3,685,000 5,122,000 4,010,000 4,577,000 3,584,000 1,655,000 2,517,000 2,913,000 2,253,000 1,316,000 2,213,000 4,409,000 1,269,000 1,801,000 2,163,000 1,012,000  2,226,000 5,365,000 6,031,000 4,463,000 
        property and equipment (including 195,796 and 145,393 from vies, note 6), net of accumulated depreciation of 484,510 and 373,977
                              2,236,808,000                                                  
        deferred major maintenance, net of accumulated amortization of 34,423 and 13,694
                              129,654,000                                                  
        operating lease right-of-use asset
                              22,081,000                                                  
        current maturities of long-term debt and finance lease obligations (including 17,327 and 11,538 from vies, note 6), net of related costs of 5,694 and 1,443
                              173,274,000                                                  
        long-term debt and finance lease obligations (including 159,324 and 123,696 from vies, note 6), net of current maturities and related costs of 17,930 and 3,591
                              1,248,579,000                                                  
        treasury shares, at cost, 6,532,453 and 6,439,274 shares in 2019 and 2018, respectively
                              -617,579,000                                                  
        treasury stock
                                 -607,316,000 -605,037,000 -607,649,000 -607,025,000 -607,888,000 -605,655,000 -606,918,000 -606,352,000 -522,726,000 -517,803,000 -515,821,000 -515,777,000 -509,048,000 -453,415,000 -446,515,000 -408,183,000 -380,135,000 -325,396,000 -315,614,000 -259,781,000 -259,689,000 -186,291,000 -182,819,000 -135,784,000 -126,009,000 -102,829,000 -98,678,000 -98,412,000 -98,276,000 -97,835,000 -97,713,000  -95,913,000 -95,761,000              
        expendable parts, supplies and fuel, net of reserve of 14,410 and 13,756
                                  19,516,000                                              
        property and equipment (including 145,393 and 112,750 from vies, note 6), net of accumulated depreciation of 373,977 and 276,548
                                  1,847,268,000                                              
        deferred major maintenance, net of accumulated amortization of 13,694 and 8,218
                                  67,873,000                                              
        current maturities of long-term debt and capital lease obligations (including 11,538 and 8,935 from vies, note 6), net of related costs of 1,443 and 2,298
                                  152,287,000                                              
        long-term debt and capital lease obligations (including 123,696 and 92,424 from vies, note 6), net of current maturities and related costs of 3,591 and 3,812
                                  1,119,446,000                                              
        current maturities of long-term debt and capital lease obligations, net of related costs
                                   654,697,000 144,392,000                                            
        long-term debt and capital lease obligations, net of current maturities and related costs
                                   658,352,000 992,322,000                                            
        current assets:
                                                                                
        total assets
                                     2,288,965,000 2,180,157,000 1,965,972,000 1,839,997,000 1,749,744,000 1,671,576,000 1,534,814,000 1,446,965,000 1,404,795,000 1,351,662,000 1,303,907,000 1,317,481,000 1,298,977,000 1,239,385,000 1,269,904,000 1,317,329,000 904,242,000 930,191,000 843,869,000 862,552,000 859,253,000 798,194,000 821,081,000 820,721,000 793,242,000 706,743,000 690,052,000 697,218,000 501,266,000 485,969,000 529,114,000 550,634,000 487,062,000 494,120,000 494,446,000 402,992,000 422,187,000 424,223,000  389,501,000 373,269,000 354,430,000 305,726,000 
        current liabilities:
                                                                                
        current maturities of notes payable and capital leases, net of related costs
                                     154,850,000                                           
        long-term debt and capital leases, net of current maturities and related costs
                                     984,926,000                                           
        shareholders' equity:
                                                                                
        total equity
                                     599,804,000 547,947,000 473,826,000 459,486,000 503,102,000 473,622,000 442,288,000 406,742,000  350,005,000 334,078,000 326,181,000 303,588,000 294,065,000 341,233,000 378,024,000 342,869,000 377,317,000 404,160,000 432,304,000 412,206,000 401,724,000 424,337,000                     
        total liabilities and shareholders' equity
                                     2,288,965,000 2,180,157,000 1,965,972,000 1,839,997,000 1,749,744,000 1,671,576,000 1,534,814,000 1,446,965,000 1,404,795,000 1,351,662,000 1,303,907,000                                 
        expendable parts, supplies and fuel, net of reserve of 13,756 and 7,205
                                      17,647,000                                          
        deferred major maintenance, net of accumulated amortization of 8,218 and 1,510
                                      31,326,000                                          
        current maturities of notes payable, net of related costs of 2,298 and 1,868
                                      214,761,000                                          
        long-term debt and other long-term liabilities:
                                                                                
        long-term debt
                                      950,131,000 845,727,000 761,082,000 715,383,000 722,048,000 561,493,000 550,636,000 571,280,000 567,609,000 566,159,000 562,382,000 556,505,000 539,280,000 554,421,000 567,898,000 208,905,000 214,063,000 166,121,000 133,093,000 136,128,000 139,229,000 142,086,000 144,731,000 136,046,000 138,184,000 139,951,000                 
        current maturities of notes payable, net of related costs
                                       165,837,000 116,387,000 88,198,000 86,226,000  80,085,000 79,767,000                                   
        other assets
                                           10,030,000                                     
        short-term debt
                                           137,452,000   74,069,000 69,593,000                                 
        total liabilities
                                            1,040,223,000  1,001,657,000 969,829,000 991,300,000 995,389,000 945,320,000 928,671,000 939,305,000 561,373,000 552,874,000 439,709,000 430,248,000 447,047,000 396,470,000 396,744,000 417,731,000 418,527,000 355,239,000 350,946,000 381,547,000 203,531,000 201,507,000 218,720,000 235,921,000 205,760,000 221,206,000 237,149,000 188,525,000 213,521,000 218,920,000  183,824,000 175,775,000 190,985,000 152,255,000 
        total shareholders' equity
                                             362,461,000                                   
        total allegiant travel company shareholders' equity
                                              350,005,000 334,078,000                                 
        noncontrolling interest
                                                 1,145,000 1,188,000 1,234,000 1,295,000 1,427,000 1,574,000 1,785,000 2,711,000 1,284,000 1,263,000 1,197,000                     
        investment in and advances to unconsolidated affiliates
                                               2,797,000 2,779,000 1,940,000 1,811,000 1,703,000 3,956,000 2,138,000 1,655,000 4,317,000 2,913,000 2,716,000 2,007,000 4,792,000 2,227,000 2,940,000 1,980,000 4,054,000 1,896,000 1,983,000 2,570,000 1,816,000 1,262,000 3,179,000 1,782,000          
        expendable parts, supplies and fuel, net of allowance for obsolescence of 3,783 and 3,003 at june 30, 2015 and december 31, 2014, respectively
                                                15,139,000                                
        current maturities of long-term debt
                                                65,234,000 60,758,000 53,819,000 51,895,000 51,517,000 20,434,000 20,237,000 13,584,000 12,020,000 11,873,000 11,623,000 11,583,000 11,445,000 8,090,000 7,885,000 7,893,000                 
        stockholders' equity:
                                                                                
        total allegiant travel company stockholders' equity
                                                326,181,000 302,443,000 292,877,000 339,999,000 376,729,000 341,442,000 375,743,000 402,375,000 429,593,000 410,922,000 400,461,000 423,140,000                     
        total liabilities and stockholders' equity
                                                1,317,481,000 1,298,977,000 1,239,385,000 1,269,904,000 1,317,329,000 904,242,000 930,191,000 843,869,000 862,552,000 859,253,000 798,194,000 821,081,000 820,721,000 793,242,000 706,743,000 690,052,000 697,218,000 501,266,000 485,969,000   487,062,000           
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 3,397 and 3,003 at march 31, 2015 and december 31, 2014, respectively
                                                 15,959,000                               
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 3,003 and 1,702 at december 31, 2014 and december 31, 2013, respectively
                                                  16,980,000                              
        restricted cash, net of current portion
                                                   305,000 305,000 305,000 305,000 305,000 305,000 150,000 150,000 1,500,000 1,500,000 1,500,000 1,500,000 1,500,000        270,000      147,000 147,000 2,570,000 
        accumulated other comprehensive loss (income)
                                                  1,211,000                              
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 2,658 and 1,702 at september 30, 2014 and december 31, 2013, respectively
                                                   16,402,000                             
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 2,315 and 1,702 at june 30, 2014 and december 31, 2013, respectively
                                                    18,805,000                            
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 1,997 and 1,702 at march 31, 2014 and december 31, 2013, respectively
                                                     17,642,000                           
        expendable parts, supplies and fuel, net of an allowance for obsolescence of 1,702 and 875 at december 31, 2013 and december 31, 2012, respectively
                                                      19,428,000                          
        expendable parts, supplies and fuel, net of allowance for obsolescence of 1,415 and 875 at september 30, 2013 and december 31, 2012, respectively
                                                       21,074,000                         
        expendable parts, supplies and fuel, net of allowance for obsolescence of 1,235 and 875 as of june 30, 2013 and december 31, 2012, respectively
                                                        17,831,000                        
        expendable parts, supplies and fuel, net of allowance for obsolescence of 1,055 and 875 at march 31, 2013 and december 31, 2012, respectively
                                                         15,504,000                       
        expendable parts, supplies and fuel, net of allowance for obsolescence of 875 and 395 at december 31, 2012 and december 31, 2011, respectively
                                                          18,432,000                      
        expendable parts, supplies and fuel, net of allowance for obsolescence of 695 and 395 at september 30, 2012 and december 31, 2011, respectively
                                                           19,422,000                     
        expendable parts, supplies and fuel, net of allowance for obsolescence of 575 and 395 at june 30, 2012 and december 31, 2011, respectively
                                                            14,240,000                    
        total stockholders' equity
                                                            402,990,000 374,715,000 351,504,000 339,106,000 315,671,000 297,735,000 284,462,000   281,302,000           
        expendable parts, supplies and fuel, net of allowance for obsolescence of 485 and 395 at march 31,2012 and december 31, 2011, respectively
                                                             15,433,000                   
        expendable parts, supplies and fuel, net of allowance for obsolescence of 395 and 170 at december 31, 2011 and december 31, 2010, respectively
                                                              14,539,000                  
        expendable parts, supplies and fuel, net of allowance for obsolescence of 305 and 170 at september 30, 2011 and december 31, 2010, respectively
                                                               14,482,000                 
        expendable parts, supplies and fuel, net of allowance for obsolescence of 215 and 170
                                                                                
        at march 31, 2011 and december 31, 2010, respectively
                                                                15,913,000                
        current maturities of long term debt
                                                                6,122,000                
        long term debt, net of current maturities
                                                                137,694,000                
        21,493,268 and 21,455,634 shares issued;
                                                                                
        19,037,565 and 19,005,821 shares outstanding, as of march 31, 2011
                                                                                
        and december 31, 2010, respectively
                                                                21,000                
        expendable parts, supplies and fuel, net of allowance for obsolescence of 170 and 659
                                                                                
        at december 31, 2010 and december 31, 2009, respectively
                                                                 13,383,000               
        current maturities of notes payable
                                                                 16,532,000 16,309,000 18,170,000 19,341,000 24,013,000 24,528,000 24,050,000 20,177,000 19,837,000 12,722,000  10,089,000 10,276,000 10,066,000 9,869,000 
        current maturities of capital lease obligations
                                                                   2,113,000 2,077,000 2,006,000 1,971,000 1,937,000 1,870,000 1,838,000 6,365,000  6,122,000 4,291,000 4,206,000 4,128,000 
        notes payable, net of current maturities
                                                                 11,604,000 17,560,000 13,464,000 17,059,000 26,781,000 31,727,000 30,286,000 44,073,000 49,038,000 31,481,000  29,193,000 31,493,000 34,140,000 36,737,000 
        capital lease obligations, net of current maturities
                                                                   367,000 909,000 1,966,000 2,480,000 2,986,000 3,971,000  20,418,000  23,668,000 18,952,000 20,055,000 21,140,000 
        21,455,634 and 21,088,633 shares issued;
                                                                                
        19,005,821 and 19,850,090 shares outstanding, as of december 31, 2010
                                                                                
        and december 31, 2009, respectively
                                                                 21,000               
        expendable parts, supplies and fuel, net of allowance for obsolescence of 794 and 659 at september 30, 2010 and december 31, 2009, respectively
                                                                  13,770,000              
        expendable parts, supplies and fuel, net of allowance for obsolescence of 749 and 659 at june 30, 2010 and december 31, 2009, respectively
                                                                   14,364,000             
        stockholders’ equity:
                                                                                
        total stockholders’ equity
                                                                   310,394,000 314,713,000  272,914,000 257,297,000 214,467,000 208,666,000 205,303,000  205,677,000 197,494,000 163,445,000  
        total liabilities and stockholders’ equity
                                                                   529,114,000 550,634,000  494,120,000 494,446,000 402,992,000 422,187,000 424,223,000  389,501,000 373,269,000 354,430,000  
        expendable parts, supplies and fuel, net of allowance for obsolescence of 704 and 659 at march 31, 2010 and december 31, 2009, respectively
                                                                    11,613,000            
        expendable parts, supplies and fuel, net of allowance for obsolescence of 629 and 539 at september 30, 2009 and december 31, 2008, respectively
                                                                     10,085,000           
        expendable parts, supplies and fuel, net of allowance for obsolescence of 599 and 539 at june 30, 2009 and december 31, 2008, respectively
                                                                      10,585,000          
        expendable parts, supplies and fuel, net of allowance for obsolescence of 554 and 539 at march 31, 2009 and december 31, 2008, respectively
                                                                       9,201,000         
        investment in and advances to joint venture
                                                                       1,228,000 607,000 2,327,000 467,000  2,843,000 2,014,000   
        income tax receivable
                                                                        421,000 1,338,000       
        expendable parts, supplies and fuel, net of allowance for obsolescence of 509 and 374 at september 30, 2008 and december 31, 2007, respectively
                                                                        11,219,000        
        expendable parts, supplies and fuel, net of allowance for obsolescence of 464 and 374 at june 30, 2008 and december 31, 2007 respectively
                                                                         15,038,000       
        capital lease obligation, net of current maturities
                                                                         4,451,000       
        expendable parts, supplies and fuel, net of allowance for obsolescence of 419 and 374 at march 31, 2008 and december 31, 2007, respectively
                                                                          9,267,000      
        receivable from related parties attributable to tax distribution estimates
                                                                              656,000 1,577,000 
        expendable parts, supplies and fuel, net of allowance for obsolescence of 91 and 56 at september 30, 2007 and december 31, 2006 respectively
                                                                            10,063,000    
        current maturities of notes payable to related party
                                                                               891,000 
        non-current liabilities:
                                                                                
        receivable from related parties
                                                                             234,000   
        expendable parts, supplies and fuel, net of allowance for obsolescence of 52 and 56 at june 30, 2007 and december 31, 2006 respectively
                                                                             6,030,000   
        expendable parts, supplies and fuel, net of allowance for obsolescence of 101 and 56 at march 31, 2007 and december 31, 2006 respectively
                                                                              3,013,000  
        investment in joint venture
                                                                              67,000  
        long-term debt:
                                                                                
        expendable parts, supplies and fuel, net of allowance for obsolescence of 56 and 44 at december 31, 2006 and 2005 respectively
                                                                               3,747,000 
        notes payable to related party, net of current maturities
                                                                                
        redeemable convertible preferred shares
                                                                                
        series a shares, no shares issued and outstanding as of december 31, 2006 and 8,635,000 issued and outstanding as of december 31, 2005
                                                                                
        series b shares, no shares issued and outstanding as of december 31, 2006 and 1,250,000 issued and outstanding as of december 31, 2005
                                                                                
        shareholders’/members’ equity:
                                                                                
        contributed capital
                                                                                
        deferred compensation—restricted stock
                                                                                
        retained/undistributed earnings
                                                                               19,088,000 
        less: treasury shares
                                                                                
        total shareholders’/members’ equity
                                                                               153,471,000 
        total liabilities and shareholders’/members’ equity
                                                                               305,726,000 
        operating revenue:
                                                                                
        scheduled service revenues
                                                                               178,349,000 
        fixed fee contract revenues
                                                                               33,743,000 
        ancillary revenues
                                                                               31,258,000 
        total operating revenue
                                                                               243,350,000 
        operating expenses:
                                                                                
        aircraft fuel
                                                                               101,561,000 
        salary and benefits
                                                                               34,950,000 
        station operations
                                                                               24,866,000 
        maintenance and repairs
                                                                               19,482,000 
        sales and marketing
                                                                               9,293,000 
        aircraft lease rentals
                                                                               5,102,000 
        depreciation and amortization
                                                                               10,584,000 
        other
                                                                               14,959,000 
        total operating expense
                                                                               220,797,000 
        operating income
                                                                               22,553,000 
        other income:
                                                                                
        (gain)/loss on fuel derivatives
                                                                               4,193,000 
        interest income
                                                                                
        interest expense
                                                                               5,517,000 
        total other income
                                                                               6,737,000 
        income before income taxes
                                                                               15,816,000 
        benefit from income taxes
                                                                               7,076,000 
        net income
                                                                               8,740,000 
        earnings per share:
                                                                                
        basic
                                                                               1,230 
        diluted
                                                                               520 
        unaudited net income per share data
                                                                                
        basic pro-forma net income per share
                                                                               1,430 
        diluted pro-forma net income per share
                                                                               600 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-09-30 2009-06-30 2009-03-31 2008-09-30 2008-06-30 2008-03-31 2007-09-30 2007-06-30 2007-03-31 
                                                                                 
          cash flows from operating activities:
                                                                                 
          net income
        42,478,000 31,941,000 -43,574,000 -65,166,000 32,102,000 -216,230,000 -36,788,000 13,699,000 -919,000 -1,956,000 -25,066,000 88,469,000 56,149,000 52,475,000 -46,459,000 4,358,000 -7,881,000 39,254,000 95,027,000 6,869,000 -28,838,000 -29,142,000 -93,104,000 -33,009,000 60,521,000 43,929,000 70,543,000 57,124,000 41,446,000 15,147,000 50,016,000 55,193,000 82,502,000 22,293,000 48,475,000 41,632,000 41,310,000 45,453,000 60,847,000 71,980,000 56,709,000 44,460,000 54,338,000 64,823,000 4,751,000 14,110,000 33,367,000 34,075,000 17,264,000 16,997,000 25,687,000 31,831,000 -63,693,586 16,886,000 25,183,000 21,703,000 -38,538,602 9,486,000 11,949,000 17,153,000  13,159,000 17,562,000 22,600,000 13,776,000 23,852,000 28,162,000 4,890,000 2,646,000 9,672,000 7,015,000 9,976,000 9,747,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                 
          depreciation and amortization
        57,926,000 58,403,000 58,952,000 68,518,000 63,312,000 65,129,000 63,917,000 65,361,000 63,844,000 58,700,000 55,817,000 53,933,000 54,680,000 51,924,000 50,092,000 49,183,000 46,343,000 46,399,000 44,522,000 43,174,000 43,982,000 45,290,000 43,296,000 43,699,000 41,740,000 39,436,000 38,494,000 36,182,000 36,710,000 34,658,000 29,834,000 28,149,000 29,142,000 31,893,000 30,129,000 30,549,000 29,254,000 25,881,000 25,396,000 24,685,000 24,500,000 24,346,000 24,904,000 24,347,000 23,054,000 22,174,000 19,750,000 18,431,000 17,374,000 17,106,000 17,892,000 16,892,000  15,704,000 13,162,000 11,970,000  10,676,000 10,156,000 9,890,000  8,779,000 8,351,000 8,691,000 7,633,000 7,251,000 6,882,000 6,219,000 5,956,000 5,015,000 4,238,000 3,715,000 3,660,000 
          special charges
        23,291,000 16,478,000           -1,835,000 -1,158,000 35,142,000 142,000 142,000 332,000 854,000 1,738,000 13,676,000 15,617,000 100,137,000 163,360,000                                                  
          other adjustments
        4,024,000 36,505,000 -16,305,000 -16,268,000 -4,571,000 17,050,000 -23,946,000 -2,287,000 2,893,000 -42,565,000 -4,710,000 34,399,000 1,592,000 2,876,000 -4,451,000 7,502,000 6,155,000 8,594,000 9,866,000 8,318,000 -70,206,000 7,712,000 13,740,000 67,890,000 -1,809,000 2,131,000 228,000 4,971,000 2,708,000                                             
          changes in certain assets and liabilities:
                                                                                 
          air traffic liability
        125,473,000 -24,975,000 24,789,000 -76,125,000 68,724,000 -26,084,000 7,043,000 -42,604,000 79,072,000 -42,348,000 -15,295,000 -68,399,000 100,071,000 -50,465,000 -21,163,000 -1,535,000 145,169,000 -85,206,000 33,679,000 95,541,000 -26,553,000 -20,674,000 50,900,000 53,885,000 -17,726,000 626,000 -9,191,000 64,011,000          -20,340,000 -351,000 43,082,000 -11,589,000 -12,859,000 -11,177,000 48,446,000 -9,813,000 2,534,000 -16,520,000 41,726,000 6,889,000 -12,375,000 -13,027,000 37,987,000  -18,278,000 -7,518,000 46,469,000  -24,915,000 -10,710,000 51,195,000  -17,052,000 -2,896,000 31,167,000 -5,747,000 -13,538,000 34,535,000 -3,756,000 -14,860,000 21,541,000 4,402,000 -5,510,000 32,569,000 
          accrued pilot retention bonus
        20,097,000                                                                         
          other - net
        -5,227,000  -8,232,000 -2,521,000 31,839,000  3,158,000 27,528,000 10,057,000  -20,453,000 34,128,000 4,743,000  -19,121,000 -7,869,000 -13,927,000 8,459,000 3,822,000 12,353,000  44,070,000 -7,434,000 -189,508,000                                                  
          net cash from operating activities
        268,062,000 112,172,000 -6,051,000 92,241,000 191,406,000 84,380,000 17,339,000 68,932,000 167,805,000 53,634,000 22,846,000 131,212,000 215,400,000 81,228,000 -5,960,000 51,781,000 176,001,000 -31,378,000 236,980,000 167,993,000 -42,103,000 59,000 170,349,000 106,317,000 120,783,000 43,915,000 117,415,000 160,097,000 66,489,000 6,888,000 110,308,000 172,927,000 94,737,000 33,250,000 116,193,000 146,951,000 38,768,000 51,994,000 95,660,000 160,439,000 97,757,000 36,865,000 67,785,000 162,960,000 74,627,000 47,946,000 39,843,000 107,365,000 46,456,000 9,351,000 33,257,000 107,824,000  12,151,000 33,748,000 82,892,000  -4,771,000 24,583,000 79,687,000  -2,797,000 -15,502,000 68,802,000 13,258,000 7,533,000 88,438,000 -3,363,000 -14,110,000 43,819,000 11,947,000 -2,414,000 53,384,000 
          capital expenditures
        -3,792,000 -15,310,000 -133,053,000 -57,728,000 -66,170,000 -50,311,000 -80,721,000 -90,927,000 -3,329,000 -111,226,000 -160,355,000 -60,643,000 -27,718,000 -63,326,000 -124,695,000 -34,576,000 -24,379,000 -63,961,000 -65,435,000 -30,706,000 -24,346,000 -88,031,000 -156,658,000 -115,718,000 -111,918,000 -122,551,000 -60,775,000 -86,543,000 -118,289,000 -69,167,000 -234,693,000 -214,900,000 -66,217,000 -52,629,000 -49,429,000 -33,488,000 -71,689,000 -78,760,000 -41,437,000 -68,361,000 -64,128,000 -91,287,000 -73,140,000 -103,921,000 -11,070,000 -15,956,000 -84,515,000 -63,948,000 -13,097,000  -27,747,000 -29,467,000 -31,628,000  -17,720,000 -10,715,000 -40,531,000  
          free cash flows
        264,270,000 96,862,000 -139,104,000 34,513,000 125,236,000 84,380,000 -32,972,000 -11,789,000 76,878,000 50,305,000 -88,380,000 -29,143,000 154,757,000 53,510,000 -69,286,000 -72,914,000 141,425,000 -55,757,000 173,019,000 102,558,000 -42,103,000 -30,647,000 146,003,000 18,286,000 -35,875,000 -71,803,000 5,497,000 37,546,000 5,714,000 -79,655,000 -7,981,000 103,760,000 -139,956,000 -181,650,000 49,976,000 94,322,000 -10,661,000 51,994,000 62,172,000 88,750,000 18,997,000 -4,572,000 -576,000 98,832,000 -16,660,000 -25,194,000 -64,078,000 96,295,000 30,500,000 -75,164,000 -30,691,000 94,727,000  -15,596,000 4,281,000 51,264,000  -22,491,000 13,868,000 39,156,000  -2,797,000 -15,502,000 68,802,000 13,258,000 7,533,000 88,438,000 -3,363,000 -14,110,000 43,819,000 11,947,000 -2,414,000 53,384,000 
          cash flows from investing activities:
                                                                                 
          purchase of investment securities
        -174,366,000 -233,714,000 -237,837,000 -193,925,000 -283,744,000 -163,508,000 -51,852,000 -175,820,000 -176,119,000 -222,646,000 -71,565,000 -344,732,000 -251,937,000 -299,202,000 -295,746,000 -370,157,000 -302,161,000 -354,759,000 -584,384,000 -89,338,000 -174,933,000 -214,688,000 -191,597,000 -105,382,000 -38,733,000 -266,877,000 -62,180,000 -68,447,000 -108,404,000 -94,134,000 -74,990,000 -93,933,000 -89,504,000 -30,901,000 -96,270,000 -146,625,000 -152,578,000 -94,343,000 -107,617,000 -89,994,000 -84,576,000 -110,880,000 -79,755,000 -82,335,000 -48,620,000 -216,542,000 -3,290,000 -66,086,000 -124,853,000 -28,105,000 -51,067,000 -147,591,000  -51,053,000 -56,016,000 -143,558,000                  
          proceeds from maturities of investment securities
        191,779,000 246,303,000 210,087,000 177,243,000 210,417,000 157,377,000 154,891,000 204,910,000 246,663,000 223,710,000 250,025,000 214,478,000 288,591,000 276,425,000 349,205,000 364,324,000 311,332,000 243,224,000 241,830,000 194,534,000  162,907,000 128,031,000 130,720,000  154,962,000 133,604,000 124,472,000 81,256,000 156,031,000 102,070,000 97,224,000 79,995,000 85,586,000 74,953,000 79,381,000 93,045,000 87,959,000 88,545,000 91,533,000 80,635,000 125,158,000 88,590,000 79,433,000     105,980,000 62,405,000 61,355,000 95,627,000  55,470,000                    
          aircraft pre-delivery deposits
        -132,396,000 -31,715,000 -31,546,000   -35,053,000 -86,972,000 -97,840,000 -123,839,000 -33,516,000 -8,032,000 -37,389,000 -4,417,000 -46,694,000                  -57,561,000 -5,907,000 -11,663,000                                     
          purchase of property and equipment, including capitalized interest
        -45,425,000 -21,760,000 -115,682,000 -102,744,000 -74,478,000                   -134,483,000 -156,658,000 -115,718,000 -111,918,000 -122,551,000 -60,775,000 -86,543,000 -118,289,000 -69,167,000 -234,693,000 -214,900,000 -66,217,000 -52,629,000 -49,429,000                                     
          other investing activities
        15,126,000 -698,000 -33,653,000 9,166,000 25,903,000 -29,912,000 11,922,000 16,644,000 2,787,000 -13,167,000 24,057,000 3,560,000 12,506,000 4,741,000 392,000 1,217,000 -572,000 -381,000 2,459,000 -16,000 8,641,000 -1,056,000 20,000 2,283,000 1,159,000 446,000 3,228,000 6,973,000 6,076,000 -3,931,000 -1,989,000 521,000 3,777,000 -14,000 970,000 382,000 2,791,000 226,000 -288,000 4,061,000 1,386,000 958,000 -142,000 -129,000                              
          net cash from investing activities
        -145,282,000 -10,597,000 32,012,000 -119,940,000 -121,902,000 46,422,000 68,908,000 -16,168,000 -93,584,000 -184,440,000 -19,628,000 -403,570,000 -114,239,000   -142,532,000 -109,754,000 -143,934,000 -405,080,000 35,681,000 -156,547,000 -50,546,000 -51,736,000 -106,862,000 -152,457,000 -227,187,000 -37,266,000 -59,553,000 -81,847,000 -28,577,000 -93,198,000 -65,355,000 -252,235,000 -96,761,000 -144,125,000 -125,398,000     -81,190,000 -26,201,000 -59,942,000 -66,885,000 -46,258,000 -232,457,000 -38,479,000 1,946,000 -32,181,000 -51,529,000 -53,659,000 -55,463,000  -25,386,000 -16,286,000 -92,822,000  -85,883,000 33,679,000 -190,302,000  -4,461,000        12,418,000    
          cash flows from financing activities:
                                                                                 
          proceeds from the issuance of debt and finance lease obligations
        20,500,000 315,145,000 99,321,000 224,460,000 292,988,000 75,232,000 18,755,000 161,706,000 272,712,000 148,647,000 59,516,000 117,827,000 550,000,000   1,657,000 105,000,000                                                      
          repurchase of common stock
        -55,000 -632,000 -1,486,000 -350,000 -11,120,000 -886,000 -2,121,000 -2,880,000 -143,000 -13,225,000 -1,419,000 -2,964,000 -12,470,000        -33,773,000 -20,000    -33,000 -623,000 -761,000 -2,233,000 -12,000 -5,505,000 -80,017,000 -4,923,000 -3,008,000 -44,000 -7,686,000 -55,633,000 -8,336,000 -38,332,000 -28,048,000 -54,739,000 -9,782,000 -55,833,000 -93,000 -73,397,000 -3,617,000 -47,035,000 -9,775,000 -23,180,000  -266,000 -136,000 -441,000  -1,555,000 -245,000              
          principal payments on debt and finance lease obligations
        -29,411,000 -259,094,000 -214,571,000 -152,012,000 -280,617,000 -414,889,000 -107,399,000 -31,711,000 -31,512,000 -187,928,000 -143,521,000 -97,877,000 -51,492,000 -35,550,000 -595,544,000 -33,167,000 -37,335,000 -40,017,000 -48,110,000 -151,517,000 -71,350,000 -48,245,000 -35,448,000 -62,723,000 -35,615,000 -147,532,000 -136,287,000 -386,329,000                                              
          debt issuance costs
         -159,000 -8,120,000 -1,413,000 -1,758,000 -1,813,000    -2,187,000 -3,507,000 -545,000 -877,000 -1,616,000 -12,012,000 -361,000 -308,000 -99,000 43,000 -649,000 -2,698,000 -1,653,000 -322,000 -2,530,000 -741,000 -1,833,000 -699,000 -30,060,000                                              
          net cash from financing activities
        -8,966,000 -255,645,000 90,968,000 -47,188,000 -69,035,000 -119,372,000 -27,495,000 -30,900,000 -23,532,000 -16,298,000 134,850,000 106,248,000 -11,877,000   79,497,000 -37,643,000 -40,114,000 292,663,000 -47,166,000 83,501,000 48,313,000 14,997,000 17,792,000 59,870,000 -176,309,000 130,243,000 61,323,000 -49,800,000 140,524,000 -38,023,000 -115,064,000 142,924,000 117,494,000 -16,760,000 -21,532,000     -8,000,000 -25,590,000 -21,480,000 -78,577,000 -24,956,000 -64,555,000 243,781,000 -116,904,000 50,448,000 -11,213,000 -9,826,000 -25,311,000  -623,000 13,971,000 -1,262,000  5,788,000 -1,974,000 113,238,000              
          net change in cash, cash equivalents, and restricted cash
        113,814,000 -154,070,000 116,929,000 -74,887,000 469,000 11,430,000 58,752,000 21,864,000 50,689,000 -147,104,000 138,068,000 -166,110,000 89,284,000 -25,753,000 -146,852,000 -11,254,000 28,604,000 -215,426,000 124,563,000 156,508,000 -115,149,000 -2,174,000 133,610,000 17,247,000 28,196,000 -359,581,000 210,392,000 161,867,000 -65,158,000 118,835,000 -20,913,000 -7,492,000                                          
          cash, cash equivalents, and restricted cash at beginning of period
        190,760,000 302,319,000 159,584,000 245,446,000 400,701,000 170,319,000 136,785,000 95,911,000 70,639,000                                          
          cash, cash equivalents, and restricted cash at end of period
        304,574,000 -154,070,000 116,929,000 -74,887,000 302,788,000 11,430,000 58,752,000 21,864,000 210,273,000 -147,104,000 138,068,000 -166,110,000 334,730,000 -25,753,000 -146,852,000 -11,254,000 429,305,000 -215,426,000 124,563,000 326,827,000 -115,149,000 -2,174,000 133,610,000 154,032,000 28,196,000 -359,581,000 210,392,000 257,778,000 -65,158,000 118,835,000 -20,913,000 63,147,000                                          
          cash payments for:
                                                                                 
          interest paid, net of amount capitalized
        31,389,000 22,979,000 40,715,000 19,401,000 38,568,000 23,052,000 30,522,000 21,836,000 31,971,000 -2,065,000 45,630,000 26,702,000 41,645,000 22,451,000 23,624,000 18,821,000 18,007,000 4,360,000 11,320,000 15,059,000 11,201,000 10,736,000 14,034,000 12,031,000 12,063,000 16,203,000 15,962,000 20,924,000 8,572,000 19,381,000 6,468,000 17,902,000 4,265,000 15,732,000 1,921,000 14,080,000 4,688,000 5,134,000                                    
          income tax refunds
        -537,000                    29,000 -49,937,000   70,000 1,113,000                                                
          supplemental disclosure of noncash transactions:
                                                                                 
          purchases of property and equipment in accrued liabilities and other
        41,633,000 6,450,000 -17,371,000 45,016,000 8,308,000                                                                     
          operating activities:
                                                                                 
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                 
          loss on aircraft and other equipment disposals
                                78,000    86,000 3,765,000 -1,359,000 -132,000 2,715,000 1,718,000 2,353,000 2,548,000 1,471,000 3,982,000 1,478,000 -1,950,000 1,587,000 1,407,000 -1,180,000 2,816,000 3,133,000 1,192,000 1,425,000 1,350,000 3,033,000 2,034,000 1,618,000 1,315,000  686,000 1,417,000 56,000  185,000 3,719,000 97,000  -114,000 610,000 858,000 761,000 1,019,000 82,000       
          share-based compensation expense
                                4,663,000 4,435,000 4,590,000 4,538,000 4,055,000 4,937,000 2,310,000 3,796,000 3,009,000 3,598,000 2,900,000 4,349,000 5,047,000 1,340,000 715,000 2,287,000 -262,000                                 
          deferred income taxes
                                20,671,000 12,161,000 19,531,000 16,103,000 16,462,000 -3,481,000 12,506,000 12,735,000 -21,823,000 12,301,000 49,609,000 2,386,000 27,510,000 -417,000 519,000 2,234,000 6,320,000 940,000 -274,000 1,993,000 -8,685,000 -6,678,000 5,962,000 2,048,000 -965,000 -3,901,000 -1,286,000 4,207,000  5,355,000 266,000 -854,000  -1,602,000 -348,000 6,291,000    2,636,000 3,410,000 -5,867,000 12,107,000  2,093,000 2,567,000 1,411,000 837,000 2,554,000 
          accounts receivable
                                5,934,000 4,650,000 -1,891,000 1,805,000          -8,132,000   566,000 -1,708,000   2,292,000 3,948,000 -1,805,000 -1,794,000 -268,000 327,000 -2,300,000 4,019,000  -2,257,000 -503,000 -936,000  386,000 -88,000 -1,490,000    60,000          
          tax receivable
                                                                                 
          loyalty program liability
                                                                                 
          deferred major maintenance
                                -33,052,000 -16,490,000 -13,215,000 -18,376,000        -1,504,000                                      
          other assets/liabilities
                                712,000 -6,525,000 -3,428,000 -1,086,000 -3,806,000                                             
          investing activities:
                                                                                 
          proceeds from sale of sunseeker resort
                                                                                
          proceeds from sale of property and equipment
         26,097,000                                          274,000 95,000 76,000 164,000 55,000 -23,000 93,000 158,000 243,000  167,000 286,000 112,000  359,000 68,000 162,000          20,000 134,000 377,000 
          proceeds from loan receivable
                                                                                 
          insurance proceeds from damage to property & equipment
                                                                                 
          financing activities:
                                                                                 
          cash dividends paid to shareholders
             1,000 -1,000 -10,982,000 -10,952,000 -11,060,000           117,000 -11,478,000 -11,338,000 -11,409,000 -11,411,000 -11,394,000 -11,328,000 -11,314,000 -11,310,000 -11,295,000 -11,258,000 -11,258,000 -11,533,000 -11,671,000 -11,645,000 -11,540,000 -11,572,000 -32,783,000 -5,029,000 -5,095,000 -4,265,000 -48,050,000 -41,787,000                          
          proceeds from sunseeker construction financing account
                                                                                 
          other financing activities
         2,240,000   4,227,000 4,594,000 320,000 3,935,000 10,787,000 -6,554,000 -1,935,000     2,110,000 1,375,000   3,083,000 3,014,000 2,205,000 -4,894,000 2,849,000 573,000 2,736,000 1,378,000 26,000 -593,000 701,000 -513,000 -436,000 -451,000 528,000 -235,000 -3,072,000 1,932,000 2,214,000 -1,686,000                              
          cash payments/(receipts) for:
                                                                                 
          supplemental disclosure of noncash transactions
                                                                                 
          right-of-use (rou) assets acquired
            1,379,000       18,424,000 4,733,000 11,583,000 17,487,000 35,794,000 50,218,000                                                  
          accrued liabilities
          -19,138,000                      29,489,000 -22,839,000 6,804,000 7,877,000          -2,403,000 19,923,000 8,633,000 16,138,000 -16,137,000 1,420,000 12,489,000 2,971,000 2,470,000 668,000 5,200,000 2,502,000 -4,593,000 455,000 5,331,000  -5,953,000 -4,714,000 12,353,000  -971,000 578,000 -5,877,000      1,979,000 1,688,000     -3,352,000 4,326,000 
          income tax payments
          24,000 -14,805,000 -149,000  5,540,000 123,000 32,000  -264,000 609,000 14,000  82,000 -63,000 17,000 -17,635,000 5,011,000 -138,000    22,000                                                  
          special charges, net of recoveries
             324,937,000 3,955,000 7,235,000 12,858,000 7,789,000                                                                
          prepaid expenses
                                8,010,000 -9,236,000 1,731,000 -5,988,000          2,563,000 -1,376,000 1,960,000 4,541,000 2,120,000 1,921,000 -2,552,000 3,663,000 7,820,000 581,000 -3,473,000 -10,660,000 592,000 3,829,000 -2,287,000  2,888,000 4,461,000 -14,506,000  -1,122,000 3,947,000 -6,002,000    2,667,000  -2,863,000 3,032,000   3,455,000    
          accounts payable
                                1,552,000 -8,104,000 4,817,000 -368,000          715,000 -764,000 4,269,000 -4,656,000 -2,896,000 -3,491,000 4,612,000 -5,343,000 2,171,000 -3,404,000 7,427,000 4,307,000 -5,238,000 -1,052,000 5,123,000  905,000 -454,000 7,280,000  -699,000 4,006,000 10,508,000  -1,881,000 -1,081,000 7,032,000 -2,008,000 588,000 4,221,000  2,828,000 2,092,000 2,389,000 -2,597,000 3,802,000 
          sunseeker construction financing disbursements
             1,000,000 7,241,000   32,461,000                                                                
          income tax paid
                                                                                 
          flight equipment acquired under finance leases
                     19,950,000 82,031,000 22,265,000 68,211,000 26,993,000                                                        
          purchase of property and equipment
              -46,053,000 -61,902,000 -131,862,000  -124,305,000 -153,037,000 -129,883,000  -99,798,000 -133,499,000 -71,659,000 -32,018,000 -64,985,000 -69,499,000  -27,894,000                                                    
          purchases of property and equipment in accrued liabilities
              -4,258,000 -18,819,000 40,935,000 -3,329,000 13,079,000 -7,318,000 69,240,000 -27,718,000 36,472,000 8,804,000 37,083,000 7,639,000 1,024,000 4,064,000  -2,812,000 -24,346,000 46,452,000                                                  
          purchase of note receivable
                                                                                 
          proceeds from issuance of common stock
                         2,000                                                       
          special charges, net of recovery
                                                                                 
          sunseeker construction financing disbursements/
                                                                                 
          proceeds from sale-leaseback transactions
                            9,395,000 30,185,000                                                    
          net cash (used in) investing activities
                                                                                 
          net cash from by financing activities
                                                                                 
          cash payments (receipts) for:
                                                                                 
          deferred payroll support programs grant recognition
                                                                                 
          proceeds from maturity and sale of investment securities
                                                                                 
          proceeds from the issuance of debt
                            155,439,000 96,836,000 47,416,000 128,296,000 104,501,000 276,435,000 494,000,000 19,501,000 180,927,000   205,000,000                                         
          property capitalized under operating leases
                                297,000 2,213,000 23,320,000                                              
          deferred cares act grant recognition
                                                                                 
          special charge
                                                                                 
          gain on aircraft and other equipment disposals
                                  -1,598,000 -6,696,000                                         224,000 367,000    
          income tax (refunds)/payments
                                   -4,490,000                                              
          decrease in accounts receivable
                                    -2,381,000 -8,868,000 40,160,000 6,713,000 -48,277,000 1,137,000 -6,590,000 23,162,000                                      
          decrease in prepaid expenses
                                    1,518,000    1,171,000 651,000 -559,000 -8,917,000                                      
          increase in accounts payable
                                    11,070,000 -10,068,000 -2,328,000 9,959,000 1,127,000 1,408,000 -7,131,000 9,394,000                                      
          increase in accrued liabilities
                                    6,045,000 -14,899,000 6,592,000 14,267,000 20,434,000 -21,565,000 20,943,000 -10,561,000                                      
          increase in air traffic liability
                                    -19,501,000 -5,201,000 -19,841,000 52,474,000 -14,370,000 -13,281,000 -7,085,000 50,919,000                                      
          change in deferred major maintenance
                                    -27,923,000 -13,858,000 -3,365,000 -4,476,000                                          
          principal payments on debt and capital lease obligations
                                    -60,789,000 -29,039,000 -39,485,000 -102,914,000                                          
          flight equipment under capital lease
                                                                                 
          supplemental disclosures of cash flow information:
                                                                                 
          provision for obsolescence of expendable parts, supplies and fuel
                                      -93,000 586,000 1,676,000 1,147,000 923,000 830,000 795,000 760,000 548,000 495,000 421,000 403,000 386,000 394,000                  45,000            
          amortization of deferred financing costs
                                      250,000 494,000 298,000 284,000 410,000 365,000 534,000 409,000 388,000 357,000 154,000                                 
          increase in prepaid expenses
                                      -6,077,000 -4,439,000                                          
          other
                                      1,703,000 -2,392,000 7,788,000 -7,886,000 -5,357,000 1,799,000 -1,880,000 2,183,000 -6,768,000 2,407,000 3,325,000 -6,015,000 -742,000 2,051,000                              
          income taxes paid, net of
                                                                                 
          income taxes paid, net of refunds
                                       37,000    374,000  19,890,000                                    
          excess tax benefits from share-based compensation
                                                3,000                                 
          principal payments on debt
                                        -50,832,000                                         
          net change in cash and cash equivalents
                                        -14,574,000 53,983,000 -44,692,000 21,000 15,993,000 -56,965,000 3,549,000 15,022,000 8,567,000 -14,926,000 -13,637,000 17,498,000 3,413,000 -249,066,000 245,145,000 -7,593,000 64,723,000 -53,391,000 -30,228,000 27,050,000  -13,858,000 31,433,000 -11,192,000  -84,866,000 56,288,000 2,623,000  -47,798,000 20,449,000 43,432,000   20,308,000  -32,017,000 36,494,000 -20,001,000 10,470,000 45,066,000 
          cash and cash equivalents at beginning of period
                                        64,711,000 87,112,000 89,610,000 97,711,000 89,557,000  150,740,000  113,293,000  90,239,000 97,153,000 144,269,000 130,273,000 
          cash and cash equivalents at end of period
                                        -14,574,000 53,983,000 -44,692,000 64,732,000 15,993,000 -56,965,000 3,549,000 102,134,000 8,567,000 -14,926,000 -13,637,000 107,108,000 3,413,000 -249,066,000 245,145,000 90,118,000 64,723,000 -53,391,000 -30,228,000 116,607,000  -13,858,000 31,433,000 139,548,000  -84,866,000 56,288,000 115,916,000  -47,798,000 20,449,000 133,671,000 -22,140,000 -28,199,000 117,461,000 -15,204,000 -32,017,000 180,763,000 -20,001,000 10,470,000 175,339,000 
          income taxes, net of refunds
                                                                                 
          (increase) in deferred major maintenance
                                         -448,000                                        
          proceeds from the issuance of long-term debt
                                          112,540,000 22,000,000 200,750,000 92,410,000 28,000,000 28,000,000 29,000,000 26,500,000 37,500,000   58,000,000                        
          principal payments on long-term debt
                                          -38,451,000 -26,425,000 -90,602,000 -24,268,000 -20,533,000 -18,677,000 -21,483,000 -16,964,000 -16,147,000 -13,336,000 -13,217,000 -13,099,000 -137,491,000 -4,987,000 -3,431,000 -13,434,000 -2,914,000 -2,877,000  -2,533,000 -1,986,000 -1,959,000                  
          non-cash transactions:
                                                                                 
          long-term debt assumed for aircraft
                                                                               
          net cash used by investing activities
                                             -165,066,000 -52,848,000 -66,089,000                                  
          net cash used by financing activities
                                             56,107,000 -39,263,000 -79,328,000                                  
          purchase of property and equipment, including pre-delivery deposits
                                              -33,488,000 -71,689,000 -78,760,000 -41,437,000 -68,361,000 -64,128,000 -91,287,000 -73,140,000 -103,921,000 -11,070,000 -15,956,000 -84,515,000 -63,948,000 -13,097,000  -27,747,000 -29,467,000 -31,628,000  -17,720,000 -10,715,000 -40,531,000              
          adjustments to reconcile net income to cash from operating activities:
                                                                                 
          change in deposits and other assets
                                                    -3,409,000 4,187,000 -272,000 9,000 -3,000 40,000 10,187,000                      
          proceeds from the exercise of stock options
                                                -1,945,000                                 
          supplemental disclosure:
                                                                                 
          interest, net of amount capitalized
                                                                                 
          assets acquired in sale of ownership interest in subsidiary
                                                        57,000 417,000 56,000                      
          assets sold in acquisition of ownership interest in subsidiary
                                                                                
          non- cash transactions:
                                                                                 
          amortization of deferred financing costs and original issue discount
                                                  455,000 242,000 4,424,000 -4,888,000 2,530,000 149,000 131,000 115,000 183,000 183,000  137,000 138,000 137,000  123,000 122,000 28,000              
          stock-based compensation expense
                                                  1,249,000 5,033,000 2,910,000 9,327,000 2,297,000 2,189,000 1,888,000 2,722,000 2,899,000 2,309,000  1,139,000 1,144,000 986,000                  
          excess tax benefits from stock-based compensation
                                                  -236,000 -1,734,000 -103,000 -1,928,000 -88,000 -1,323,000 -61,000 -470,000 -551,000 -607,000  -445,000 -488,000 -116,000                  
          proceeds from exercise of stock options
                                                         990,000 862,000 189,000   1,624,000 1,022,000  267,000 968,000 79,000  102,000 1,040,000 1,841,000 552,000   145,000 105,000 247,000 202,000   
          benefit from obsolescence of expendable parts, supplies and fuel
                                                    345,000 343,000 318,000 295,000 287,000 180,000 180,000 180,000  120,000 90,000 90,000  45,000 45,000 45,000    45,000 30,000 45,000 15,000   45,000   45,000 
          restricted cash
                                                    5,966,000 -6,056,000 -852,000 -243,000 3,163,000 -3,510,000 1,534,000 -1,827,000  -871,000 1,573,000 -1,323,000  2,021,000 1,143,000 -239,000       133,000   1,602,000   480,000 
          expendable parts, supplies and fuel
                                                    -923,000 2,060,000 -1,481,000 1,491,000 1,359,000 -3,423,000 -2,507,000 2,748,000  -5,302,000 1,103,000 -984,000  2,525,000 -1,184,000 -2,575,000             689,000 
          other current assets
                                                    4,563,000 -653,000 -2,905,000 -183,000 213,000 2,788,000 -297,000 420,000  1,437,000 -1,112,000 567,000  -2,041,000 112,000 -415,000  -660,000 -937,000 1,396,000   376,000   540,000    
          other assets
                                                                                 
          interest during refurbishment of aircraft
                                                        -123,000  -125,000 -39,000 -196,000                  
          investment in unconsolidated affiliates
                                                    -108,000 2,253,000 -1,818,000 -483,000 2,662,000 -1,404,000 -197,000 -709,000  -2,565,000 713,000 -960,000  1,069,000 -3,227,000 87,000    91,000          
          payments for deferred financing costs
                                                      -4,023,000 -296,000 -607,000         -12,000 -55,000 -2,270,000              
          sale (purchase) of interest in subsidiary
                                                                                 
          cash transactions:
                                                                                 
          deposits applied against flight equipment purchase
                                                                 1,277,000              
          proceeds from maturities and sale of investment securities
                                                     58,305,000 66,199,000 79,802,000                          
          proceeds from exercise of stock options and stock-settled sars
                                                     -1,870,000 2,240,000                          
          proceeds from sale of ownership interest in subsidiary
                                                                                
          payments for sale of ownership interest in subsidiary
                                                           -50,000                      
          proceeds from issuance of long-term debt
                                                                                 
          total operating revenue
                                                                                 
          total operating expenses
                                                                                 
          operating income
                                                                                 
          total other income
                                                                                 
          income before income taxes
                                                                                 
          net income attributable to noncontrolling interest
                                                                                 
          net income attributable to allegiant travel company
                                                                                 
          earnings per share to common stockholders:
                                                                                 
          basic
                                                                                 
          diluted
                                                                                 
          cash dividends per share
                                                                                 
          cash and cash equivalents
                                                                                 
          investment securities
                                                                                 
          total assets
                                                                                 
          long-term debt
                                                                                 
          stockholders' equity
                                                                                 
          operating margin %
                                                                                 
          cash provided by:
                                                                                 
          operating activities
                                                                                 
          investing activities
                                                                                 
          financing activities
                                                                                 
          increase in deposits and other assets
                                                             467,000 1,746,000 712,000                  
          proceeds from maturities and sales of investment securities
                                                               82,696,000                  
          earnings per share to common stockholers:
                                                                                 
          stockholder's equity
                                                                                 
          decrease in deposits and other assets
                                                                 1,452,000 2,721,000 2,887,000  2,964,000            
          proceeds from exercise of warrants
                                                                                
          stock compensation expense
                                                                  1,309,000 1,078,000  1,197,000 1,171,000 969,000 803,000 771,000 761,000 500,000 408,000 302,000 230,000 233,000 241,000 
          excess tax benefits from stock option exercises
                                                                     -1,400,000 458,000 209,000 272,000   296,000 230,000 579,000 834,000   
          purchase of short-term investments
                                                                  -50,086,000 -161,927,000              
          proceeds from maturities of short-term investments
                                                                  94,918,000 9,020,000  19,635,000 84,837,000 74,909,000 9,672,000         
          proceeds from the issuance of long term debt
                                                                  132,000,000              
          principal payments on long term debt
                                                                  -1,505,000 -16,326,000              
          adjustments to reconcile net income to net cash provided by
                                                                                 
          common stock issued for software operating system
                                                                                
          other financial data:
                                                                                 
          net cash provided by:
                                                                                 
          balance sheet data:
                                                                                 
          cash, cash equivalents and short-term investments
                                                                                 
          stockholders’ equity
                                                                                 
          proceeds from the issuance of notes payable
                                                                                 
          principal payments on notes payable
                                                                                 
          principal payments on capital lease obligations
                                                                                 
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                 
          decrease (increase) in deposits and other assets
                                                                       102,000          
          income tax receivable
                                                                           917,000 -1,338,000 6,228,000    
          increase in lease and equipment deposits
                                                                                229,000 
          proceeds from issuance of notes payable
                                                                               
          note payable issued for aircraft and equipment
                                                                           3,600,000 3,600,000    
          proceeds from sale and maturities of short-term investments
                                                                          9,761,000       
          investment in joint venture
                                                                             1,509,000    
          gain on disposal of aircraft and other equipment
                                                                                 
          receivable from related parties
                                                                                 
          maturities of short-term investments
                                                                           -57,000 7,396,000 19,663,000 -82,000 -9,000 5,808,000 
          decrease (increase) in lease and equipment deposits
                                                                           -469,000      
          principal payments on related party notes payable
                                                                                 
          acquisition of aircraft under capital lease
                                                                                 
          benefit from obsolescence of expendable parts and supplies
                                                                                 
          investment in and advances to joint venture
                                                                                 
          shares repurchased by the company
                                                                                 
          deferred issuance cost amortization
                                                                                 
          warrant amortization
                                                                                 
          refundable deposits
                                                                                 
          distributions to members
                                                                                 
          cash payment for interest, net of capitalized interest
                                                                              860,000 869,000 872,000 
          cash payment for taxes
                                                                              7,889,000 4,420,000 534,000 
          accounts receivable from related parties
                                                                                 
          (gain)/loss on aircraft and other equipment disposals
                                                                                 
          accounts receivable from related party
                                                                                921,000 
          loss on aircraft equipment disposals
                                                                                 
          repurchase of membership units
                                                                                 
          proceeds from issuance of series a redeemable convertible preferred shares
                                                                                 
          deferred issuance costs-redeemable convertible preferred shares
                                                                                 
          proceeds from issuance of common stock, net of offering expenses
                                                                                 
          proceeds from related party borrowings
                                                                                 
          net increase in cash and cash equivalents