7Baggers

Spirit Airlines, Inc
(NYSE:SAVE) 

SAVE stock logo

Spirit Airlines, Inc. provides airline services. It serves 78 destinations in 16 countries in the United States, Latin America, and the Caribbean. As of December 31, 2020, the company had a fleet of 157 Airbus single-aisle aircraft comprising 31 A319ceos, 64 A320ceos, 32 A320neos, and 30 A321ceos. I...

Founded: 1983
Full Time Employees: 8,938
Sector: Industrials
Industry: Airlines

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Quarterly
Annual
    Unit: USD2025-12-31 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 2021-12-31 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 
                                                               
      operating revenues:
                                                               
      passenger
    788,390,000 937,126,000 1,000,806,000 252,959,000 1,147,234,000 1,171,405,000 1,253,803,000 1,239,310,000 1,296,715,000 1,233,912,000 1,410,061,000 1,327,473,000 1,369,671,000 1,322,079,000 1,347,871,000 949,744,000 971,728,000 907,232,000 846,507,000 450,335,000 488,422,000 392,744,000 130,817,000 753,550,000 951,757,000 973,353,000 994,430,000 838,065,000 846,568,000 887,956,000 836,350,000 689,141,000 338,143,000 356,207,000 371,922,000 299,762,000 300,590,000 331,004,000 296,401,000 272,626,000 267,487,000 319,812,000 308,573,000 273,466,000 271,569,000 317,038,000 302,487,000 253,878,000 246,503,000 279,499,000 241,119,000 218,897,000 188,721,000 202,181,000 211,812,000 180,078,000 169,270,000 186,682,000 180,418,000 
      other
    17,601,000 21,398,000 19,027,000 4,086,000 22,657,000 25,699,000 27,086,000 26,227,000 25,045,000 24,631,000 22,411,000 22,301,000 21,639,000 21,100,000 18,772,000 17,571,000 15,828,000 15,399,000 12,802,000 10,944,000 10,068,000 9,178,000 7,712,000 17,531,000 18,059,000 18,615,000 18,526,000 17,731,000 16,227,000 16,374,000 15,421,000 14,997,000                            
      total operating revenues
    805,991,000 958,524,000 1,019,833,000 257,045,000 1,169,891,000 1,197,104,000 1,280,889,000 1,265,537,000 1,321,760,000 1,258,543,000 1,432,472,000 1,349,774,000 1,391,310,000 1,343,179,000 1,366,643,000 967,315,000 987,556,000 922,631,000 859,309,000 461,279,000 498,490,000 401,922,000 138,529,000 771,081,000 969,816,000 991,968,000 1,012,956,000 855,796,000 862,795,000 904,330,000 851,771,000 704,138,000 667,007,000 687,231,000 701,682,000 591,746,000 578,351,000 621,329,000 584,133,000 538,143,000 519,846,000 574,841,000 553,421,000 493,355,000 474,487,000 519,769,000 499,337,000 437,987,000 419,984,000 456,625,000 407,339,000         
      operating expenses:
                                                               
      salaries, wages and benefits
    321,693,000 367,356,000 367,361,000 76,212,000 412,097,000 427,125,000 418,378,000 431,483,000 415,736,000 404,177,000 407,705,000 389,185,000 324,744,000 311,957,000 308,634,000 305,890,000 285,161,000 277,372,000 257,236,000 245,692,000 227,405,000 228,370,000 213,579,000 240,480,000 220,674,000 224,069,000 216,375,000 203,901,000 191,740,000 185,043,000 187,756,000 155,096,000 136,815,000 134,114,000 129,892,000 127,138,000 122,941,000 120,190,000 112,930,000 116,410,000 97,035,000 95,081,000 97,037,000 89,057,000 81,212,000 79,087,000 77,440,000 76,249,000 69,392,000 66,805,000 64,456,000 61,497,000 58,363,000 54,413,000 53,489,000 52,654,000 48,228,000 45,148,000 45,173,000 
      aircraft fuel
    204,436,000 253,308,000 260,486,000 60,797,000 292,157,000 373,399,000 407,296,000 406,351,000 487,181,000 455,241,000 391,032,000 487,711,000 494,255,000 508,496,000 558,633,000 368,585,000 296,572,000 259,618,000 214,825,000 142,930,000 103,597,000 94,285,000 19,910,000 213,208,000 244,989,000 253,847,000 265,006,000 229,636,000 229,680,000 258,818,000 246,180,000 204,646,000 175,205,000 158,300,000 142,294,000 139,782,000 126,535,000 121,844,000 113,192,000 85,982,000 105,215,000 115,899,000 127,907,000 112,426,000 138,002,000 171,584,000 154,852,000 148,471,000 139,843,000 144,986,000 135,251,000 131,666,000 120,789,000 122,016,000 120,233,000 108,725,000 94,827,000 104,985,000 107,322,000 
      aircraft rent
    102,691,000 154,064,000 140,693,000 30,884,000 152,853,000 148,511,000 125,339,000 115,206,000 106,478,000 97,393,000 92,101,000 85,267,000 72,420,000 75,332,000 68,632,000 66,044,000 61,305,000 65,873,000 64,641,000 54,782,000 52,578,000 49,379,000 49,256,000 45,146,000 50,279,000 40,026,000 46,522,000 45,782,000 43,023,000 42,682,000 41,745,000 50,191,000 42,820,000 53,396,000 52,566,000 57,070,000 50,242,000 49,367,000 49,864,000 52,202,000 52,091,000 53,525,000 53,127,000 52,788,000 51,209,000 50,009,000 48,222,000 46,387,000 44,616,000 42,134,000 41,915,000 41,072,000 37,103,000 37,536,000 36,060,000 32,873,000 30,476,000 29,220,000 29,081,000 
      landing fees and other rents
    77,182,000 104,900,000 101,457,000 20,944,000 98,182,000 130,044,000 116,064,000 106,718,000 96,905,000 107,525,000 106,487,000 97,345,000 77,137,000 95,174,000 92,021,000 82,936,000 84,691,000 77,703,000 81,497,000 72,108,000 67,033,000 76,526,000 40,348,000 67,121,000 62,773,000 69,142,000 64,711,000 59,649,000 51,903,000 54,542,000 58,602,000 49,630,000 46,117,000 48,498,000 45,592,000 40,448,000 37,583,000 39,345,000 39,944,000 34,807,000 32,590,000 34,577,000 33,364,000 30,546,000 27,533,000 27,735,000 25,831,000 24,016,000 22,096,000 22,106,000 21,346,000 18,056,000 17,128,000 19,060,000 17,066,000 15,114,000 14,166,000 13,966,000 13,007,000 
      depreciation and amortization
    57,729,000 58,032,000 62,886,000 11,597,000 75,413,000 84,028,000 84,486,000 81,346,000 79,537,000 82,802,000 80,542,000 77,991,000 82,246,000 78,184,000 76,469,000 76,191,000 74,936,000 74,260,000 73,703,000 74,312,000 72,133,000 71,351,000 69,113,000 65,991,000 61,913,000 57,712,000 54,913,000 50,726,000 47,963,000 43,773,000 45,618,000 39,373,000 36,472,000 36,840,000 35,331,000 31,509,000 27,766,000 25,304,000 24,957,000 23,109,000 22,278,000 19,628,000 17,139,000 14,863,000 13,168,000 11,338,000 11,344,000 11,121,000 9,544,000 8,475,000 7,604,000 6,324,000 5,244,000 3,815,000 3,327,000 2,870,000 2,464,000 2,059,000 1,691,000 
      maintenance, materials and repairs
    44,794,000 54,849,000 48,747,000 11,209,000 53,002,000 57,368,000 52,453,000 54,915,000 55,635,000 56,465,000 56,825,000 54,414,000 51,772,000 45,126,000 45,407,000 45,515,000 48,777,000 41,183,000 39,639,000 29,903,000 29,711,000 28,213,000 19,227,000 34,076,000 41,131,000 36,152,000 34,688,000 31,604,000 29,937,000 37,778,000 31,653,000 29,710,000 28,966,000 26,176,000 28,985,000 26,312,000 26,577,000 30,443,000 20,627,000 20,940,000 18,544,000 21,473,000 21,271,000 19,160,000 17,515,000 19,622,000 19,205,000 17,614,000 16,253,000 16,908,000 15,202,000 11,780,000 12,206,000 14,211,000 13,558,000 10,414,000 8,575,000 11,440,000 7,480,000 
      distribution
    30,107,000 45,833,000 47,139,000 10,432,000 50,411,000 55,687,000 45,923,000 45,176,000 45,850,000 46,323,000 50,701,000 48,017,000 46,097,000 47,385,000 48,724,000 35,351,000 37,509,000 36,085,000 35,263,000 23,642,000 22,082,000 17,882,000 11,352,000 33,743,000 38,289,000 39,160,000 40,602,000 35,719,000 33,505,000 37,868,000 34,997,000 30,631,000 27,745,000 29,469,000 29,908,000 26,498,000 23,437,000 25,565,000 24,692,000 22,933,000 20,656,000 23,074,000 22,349,000 20,497,000 15,893,000 20,202,000 20,159,000 18,569,000 16,607,000 17,916,000 17,277,000 15,681,000 13,109,000 14,620,000 14,738,000 14,201,000 12,203,000 14,177,000 13,037,000 
      special charges
    -30,000,000   -4,000 1,000 151,000 -381,000 36,258,000 23,204,000 12,378,000 19,972,000 13,983,000 348,246,000 38,359,000 18,004,000 15,563,000             265,000 -686,000 174,000 89,168,000  7,853,000  4,776,000 5,580,000 7,355,000 8,052,000 16,202,000  -76,000 324,000 425,000  18,000 17,000 9,000 -314,000 442,000 23,000 23,000 -105,000 -8,288,000 15,000 -72,000    
      loss on disposal of assets
    4,945,000 -113,713,000 -309,000 -19,000 287,756,000 3,191,000 -14,047,000 -3,029,000 28,314,000 -2,250,000 802,000 7,100,000 15,062,000 9,374,000 10,636,000 11,552,000 1,482,000 532,000 189,000 1,117,000     477,000 13,410,000 1,550,000 1,913,000 3,019,000 1,069,000 4,644,000 848,000 1,054,000 516,000 1,493,000 1,105,000 3,021,000 423,000 529,000 214,000 304,000 290,000 415,000 595,000 1,350,000 793,000 715,000 150,000 99,000 165,000 91,000 170,000 474,000  33,000 449,000 216,000 4,000 35,000 
      other operating
    152,930,000 168,810,000 175,496,000 36,950,000 197,109,000 214,039,000 197,890,000 198,450,000 197,733,000 187,249,000 206,094,000 201,156,000 185,060,000 170,182,000 184,813,000 171,156,000 158,673,000 161,785,000 114,107,000 96,261,000 84,144,000 83,695,000 58,039,000 129,308,000 123,950,000 133,769,000 124,651,000 109,062,000 95,695,000 98,318,000 91,881,000 93,642,000 79,267,000 87,965,000 102,885,000 77,703,000 69,358,000 66,277,000 67,511,000 64,045,000 50,796,000 54,151,000 58,173,000 43,747,000 38,630,000 39,190,000 36,408,000 35,448,000 33,787,000 38,884,000 37,416,000 34,499,000 32,024,000 35,253,000 32,657,000 27,023,000 23,936,000 23,141,000 21,826,000 
      total operating expenses
    966,507,000 1,093,439,000 1,203,956,000 259,002,000 1,618,981,000 1,493,543,000 1,433,401,000 1,472,874,000 1,536,573,000 1,447,303,000 1,412,261,000 1,462,169,000 1,697,039,000 1,379,569,000 1,411,973,000 1,178,783,000 1,049,106,000 908,636,000 766,098,000 563,809,000 658,405,000 501,393,000 328,913,000 829,073,000 845,192,000 867,287,000 849,018,000 767,992,000 726,730,000 759,205,000 743,250,000 742,935,000 574,461,000 583,127,000 568,946,000 532,341,000 493,040,000 486,113,000 462,298,000 436,844,000 399,509,000 417,622,000 431,106,000 384,104,000 384,512,000 419,578,000 394,193,000 378,034,000 351,923,000 358,821,000 340,581,000 320,768,000 296,335,000 292,636,000 291,176,000 264,251,000 235,896,000 244,158,000 240,932,000 
      operating income
    -160,516,000 -134,915,000 -184,123,000 -1,957,000 -449,090,000 -296,439,000 -152,512,000 -207,337,000 -214,813,000 -188,760,000 20,211,000 -112,395,000 -305,729,000 -36,390,000 -45,330,000 -211,468,000 -61,550,000 13,995,000 93,211,000 -102,530,000 -159,915,000 -99,471,000 -190,384,000 -57,992,000 124,624,000 124,681,000 163,938,000 87,804,000 136,065,000 145,125,000 108,521,000 -38,797,000 92,546,000 104,104,000 132,736,000 59,405,000 85,311,000 135,216,000 121,835,000 101,299,000 120,337,000 157,219,000 122,315,000 109,251,000 89,975,000 100,191,000 105,144,000 59,953,000 68,061,000 97,804,000 66,758,000 49,669,000 31,933,000 49,681,000 55,132,000 37,244,000 38,023,000 44,556,000 34,959,000 
      yoy
    -64.26% -54.49% 20.73% -99.06% 109.06% 57.05% -854.60% 84.47% -29.74% 418.71% -144.59% -46.85% 396.72% -360.02% -148.63% 106.25% -61.51% -114.07% -148.96% 76.80% -228.32% -179.78% -216.13% -166.05% -8.41% -14.09% 51.07% -326.32% 47.02% 39.40% -18.24% -165.31% 8.48% -23.01% 8.95% -41.36% -29.11% -14.00% -0.39% -7.28% 33.74% 56.92% 16.33% 82.23% 32.20% 2.44% 57.50% 20.71% 113.14% 96.86% 21.09% 33.36% -16.02% 11.50% 57.70%     
      qoq
    18.98% -26.73% 9308.43% -99.56% 51.49% 94.37% -26.44% -3.48% 13.80% -1033.95% -117.98% -63.24% 740.15% -19.72% -78.56% 243.57% -539.80% -84.99% -190.91% -35.88% 60.77% -47.75% 228.29% -146.53% -0.05% -23.95% 86.71% -35.47% -6.24% 33.73% -379.71% -141.92% -11.10% -21.57% 123.44% -30.37% -36.91% 10.98% 20.27% -15.82% -23.46% 28.54% 11.96% 21.42% -10.20% -4.71% 75.38% -11.91% -30.41% 46.51% 34.41% 55.54% -35.72% -9.89% 48.03% -2.05% -14.66% 27.45%  
      other expense:
                                                               
      interest expense
    42,706,000 46,261,000 62,103,000 9,777,000 55,843,000 54,135,000 54,307,000 54,809,000 47,258,000 41,260,000 28,880,000 51,793,000 48,193,000 23,708,000 30,124,000 37,880,000 35,434,000 35,709,000 39,662,000 44,806,000 49,415,000 33,435,000 27,792,000 23,878,000 25,975,000 25,138,000 25,266,000 24,971,000 23,505,000 21,925,000 20,498,000 17,849,000 16,065,000 15,018,000 13,746,000 12,473,000 12,066,000 11,362,000 10,166,000 8,060,000 7,200,000 5,951,000 4,419,000 2,812,000 1,659,000 878,000 103,000 107,000 74,000 36,000 95,000 9,000 6,000 10,000 794,000 540,000 373,000 444,000 9,678,000 
      loss on extinguishment of debt
     2,728,000   59,000   -14,996,000           331,630,000                                         
      capitalized interest
    -177,000 -393,000 -557,000 -118,000 -1,222,000 -1,173,000 -5,689,000 -10,003,000 -8,685,000 -8,582,000 -8,445,000 -7,648,000 -5,915,000 -5,964,000 -5,677,000 -5,262,000 -4,958,000 -4,677,000 -4,631,000 -4,732,000 -4,565,000 -4,009,000 -3,757,000 -3,664,000 -3,539,000 -3,400,000 -2,975,000 -2,557,000 -2,636,000 -2,657,000 -2,296,000 -2,252,000 -3,668,000 -3,203,000 -3,342,000 -3,580,000 -3,542,000 -3,067,000 -2,771,000 -3,325,000 -3,161,000 -3,030,000 -2,829,000 -2,533,000 -1,659,000 -878,000 -103,000 -107,000 -74,000 -36,000 -95,000 -9,000 -6,000 -10,000 -794,000 -540,000 -371,000 -444,000 -1,039,000 
      interest income
    -7,250,000 -7,001,000 -7,142,000 -2,003,000 -11,224,000 -11,341,000 -12,169,000 -13,590,000 -11,809,000 -18,442,000 -15,962,000 -15,434,000 -11,413,000 -5,642,000 -2,561,000 -467,000 -324,000 -306,000 -373,000 -4,371,000 -318,000 -454,000 -1,949,000 -3,593,000 -4,851,000 -6,292,000 -7,066,000 -6,924,000 -5,835,000 -4,776,000 -4,430,000 -4,066,000 -2,990,000 -2,605,000 -1,828,000 -1,313,000 -1,041,000 -1,222,000 -1,447,000 -1,566,000 -1,581,000 -233,000 -177,000 -134,000 -101,000 -84,000 -83,000 -68,000 -93,000 -87,000 -105,000 -116,000 -159,000 -171,000 -180,000 -415,000 -319,000 -99,000 -71,000 
      other expense
    99,000 337,000 262,000 50,000 154,000 -23,000 665,000 -66,490,000 2,108,000 649,000 766,000 542,000 3,703,000 402,000 296,000 417,000 125,000 271,000 233,000 -52,000 87,000 77,000 66,000 -19,000 276,000 222,000 144,000 233,000 129,000 302,000 188,000 133,000 145,000 114,000 104,000 3,000 121,000 180,000 157,000 70,000 -267,000 166,000 44,000 72,000 1,048,000 81,000 1,439,000 37,000 31,000 115,000 36,000 101,000 95,000 109,000 84,000 43,000 70,000 42,000 76,000 
      special charges, non-operating
    6,360,250 13,026,000 11,039,000 1,376,000                          1,744,000 79,412,000 9,201,000                            
      reorganization (gain) expense
    2,064,743,000 125,983,000                                                          
      total other expense
    2,103,671,000 180,941,000 65,705,000 9,082,000 155,883,000 41,598,000 37,114,000 -50,270,000 13,461,000 14,885,000 5,239,000 29,253,000 34,568,000 12,504,000 22,182,000 32,568,000 30,277,000 30,997,000 366,521,000 35,651,000 44,619,000 29,049,000 22,152,000 16,602,000 17,861,000 15,668,000 15,369,000 15,723,000 15,163,000 16,538,000 93,372,000 20,865,000 9,552,000 9,324,000 8,680,000 7,583,000 7,604,000 7,253,000 6,105,000 3,239,000 2,191,000 2,854,000 1,457,000 217,000 947,000 -3,000 1,356,000 -31,000 -62,000 28,000 -69,000 -15,000 -64,000 -62,000 -96,000 -372,000 -247,000 -57,000 8,644,000 
      income before income taxes
    -2,264,187,000 -315,856,000 -249,828,000 -11,039,000 -604,973,000 -338,037,000 -189,626,000 -157,067,000 -228,274,000 -203,645,000 14,972,000 -141,648,000 -340,297,000 -48,894,000 -67,512,000 -244,036,000 -91,827,000 -17,002,000 -273,310,000 -138,181,000 -204,534,000 -128,520,000 -212,536,000 -74,594,000 106,763,000 109,013,000 148,569,000 72,081,000 120,902,000 128,587,000 15,149,000 -59,662,000 82,994,000 94,780,000 124,056,000 51,822,000 77,707,000 127,963,000 115,730,000 98,060,000 118,146,000 154,365,000 120,858,000 109,034,000 89,028,000 100,194,000 103,788,000 59,984,000 68,123,000 97,776,000 66,827,000 49,684,000 31,997,000 49,743,000 55,228,000 37,616,000 38,270,000 44,613,000 26,315,000 
      provision for income taxes
    -5,761,000 1,620,000 -3,997,000 -103,000 -19,283,000 -29,794,000 3,301,000 -14,432,000 -44,622,000 -46,093,000 17,321,000 -37,737,000 -69,633,000 -12,517,000 -15,106,000 -49,333,000 -4,668,000 -31,776,000 14,553,000 -25,860,000 -47,230,000 -29,380,000 -68,108,000 -46,766,000 25,549,000 25,549,000 34,068,000 16,005,000 28,965,000 31,107,000 3,895,000 -14,740,000 -167,344,000 34,590,000 45,913,000 19,887,000 29,214,000 46,581,000 42,646,000 36,140,000 43,746,000 57,251,000 44,154,000 40,032,000 33,119,000 33,194,000 38,939,000 22,278,000 24,930,000 36,673,000 24,759,000 19,130,000 12,431,000 18,859,000 20,637,000 14,197,000 14,279,000 16,956,000 9,398,000 
      net income
    -2,258,426,000 -317,476,000 -245,831,000 -10,936,000 -585,690,000 -308,243,000 -192,927,000 -142,635,000 -183,652,000 -157,552,000 -2,349,000 -103,911,000 -270,664,000 -36,377,000 -52,406,000 -194,703,000 -87,159,000 14,774,000 -287,863,000 -112,321,000 -157,304,000 -99,140,000 -144,428,000 -27,828,000 81,214,000 83,464,000 114,501,000 56,076,000 91,937,000 97,480,000 11,254,000 -44,922,000 250,338,000 60,190,000 78,143,000 31,935,000 48,493,000 81,382,000 73,084,000 61,920,000 74,400,000 97,114,000 76,704,000 69,002,000 55,909,000 67,000,000 64,849,000 37,706,000 43,193,000 61,103,000 42,068,000 30,554,000 19,566,000 30,884,000 34,591,000 23,419,000 23,991,000 27,657,000 16,917,000 
      yoy
    285.60% 3.00% 27.42% -92.33% 218.91% 95.65% 8113.15% 37.27% -32.15% 333.11% -95.52% -46.63% 210.54% -346.22% -81.79% 73.35% -44.59% -114.90% 99.31% 303.63% -293.69% -218.78% -226.14% -149.63% -11.66% -14.38% 917.42% -224.83% -63.27% 61.95% -85.60% -240.67% 416.24% -26.04% 6.92% -48.43% -34.82% -16.20% -4.72% -10.26% 33.07% 44.95% 18.28% 83.00% 29.44% 9.65% 54.15% 23.41% 120.76% 97.85% 21.62% 30.47% -18.44% 11.67% 104.47%     
      qoq
    611.37% 29.14% 2147.91% -98.13% 90.01% 59.77% 35.26% -22.33% 16.57% 6607.19% -97.74% -61.61% 644.05% -30.59% -73.08% 123.39% -689.95% -105.13% 156.29% -28.60% 58.67% -31.36% 419.00% -134.27% -2.70% -27.11% 104.19% -39.01% -5.69% 766.18% -125.05% -117.94% 315.91% -22.97% 144.69% -34.15% -40.41% 11.35% 18.03% -16.77% -23.39% 26.61% 11.16% 23.42% -16.55% 3.32% 71.99% -12.70% -29.31% 45.25% 37.68% 56.16% -36.65% -10.72% 47.70% -2.38% -13.26% 63.49%  
      basic earnings per share
    -60.34 -7.87 -7.24 -0.56 -5.35 -2.81 -1.76 -1.3 -1.68 -1.44 -0.02 -0.95        -1.15 -1.68 -1.07 -1.81 -0.41 1.19 1.22 1.67 0.82 1.34 1.43 0.16 -0.66 3.63 0.87 1.13 0.46 0.71 1.17 1.03 0.87 1.04 1.35 1.06 0.94 0.77 0.92 0.89 0.52 0.6 0.84 0.58 0.42        
      diluted earnings per share
    -60.34 -7.87 -7.24 -0.56 -5.35 -2.81 -1.76 -1.3 -1.68 -1.44 -0.02 -0.95        -1.15 -1.68 -1.07 -1.81 -0.41 1.18 1.22 1.67 0.82 1.35 1.42 0.16 -0.66 3.61 0.87 1.12 0.46 0.71 1.17 1.03 0.86 1.04 1.35 1.05 0.94 0.77 0.91 0.88 0.51 0.59 0.84 0.58 0.42        
      basic income per share
                -0.653 -0.33   -0.79 0.14                                          
      diluted income per share
                -0.653 -0.33   -0.79 0.14                                          
      basic loss per share
                  -0.48 -1.79   -2.73                                         
      diluted loss per share
                  -0.48 -1.79   -2.73                                         
      special credits
                    -94,428,750 -85,775,000 -115,002,000 -176,938,000 -75,054,750 -148,308,000 -151,911,000                                     
      non-ticket
                                    328,864,000 331,024,000 329,760,000 291,984,000 277,761,000 290,325,000 287,732,000 265,517,000 252,359,000 255,029,000 244,848,000 219,889,000 202,918,000 202,731,000 196,850,000 184,109,000 173,481,000 177,126,000 166,220,000 151,540,000 139,547,000 140,136,000 134,496,000 121,417,000 104,649,000 102,032,000 95,473,000 
      total operating revenue
                                                       370,437,000 328,268,000 342,317,000 346,308,000 301,495,000 273,919,000 288,714,000 275,891,000 
      net income per share
                                                        0.27 0.43 0.48 0.32 0.32 0.38 0.41 
      expenses:
                                                               
      restructuring and termination costs
                                                            594,750 18,000 2,280,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 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 2021-12-31 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 
                                                                 
        assets
                                                                 
        current assets:
                                                                 
        cash and cash equivalents
      272,959,000 250,494,000 407,511,000 487,535,000 902,057,000 423,547,000 724,794,000 764,788,000 865,211,000 818,323,000 1,110,688,000 1,287,711,000 1,346,350,000 953,428,000 1,197,065,000 1,247,913,000 1,333,507,000 1,533,184,000 1,863,710,000 1,774,471,000 1,789,723,000 1,947,619,000 1,127,460,000 788,225,000 978,957,000 935,678,000 1,110,797,000 1,122,139,000 1,004,733,000 773,710,000 812,362,000 898,457,000 800,849,000 863,680,000 869,153,000 818,110,000 700,900,000 825,904,000 1,014,080,000 902,809,000 803,632,000 748,896,000 769,324,000 741,627,000 632,784,000 588,474,000 567,239,000 543,989,000 530,631,000 540,195,000 524,905,000 483,484,000 416,816,000 399,143,000 414,977,000 420,831,000 343,328,000 350,973,000 248,458,000 
        restricted cash
      591,352,000 396,103,000 152,088,000 270,522,000 168,390,000 170,086,000 120,579,000 133,585,000 119,400,000 119,400,000 119,400,000 119,400,000 119,392,000 95,400,000 95,400,000 95,400,000 95,400,000 55,400,000 62,200,000 64,000,000 71,401,000 54,838,000 30,000,000                                    98,403,000 
        short-term investment securities
         119,575,000 118,334,000 117,104,000 115,290,000 113,854,000 112,501,000 110,933,000 109,494,000 108,357,000 107,115,000 106,255,000 105,920,000 106,013,000 106,313,000 106,383,000 106,375,000 106,376,000 106,339,000 106,324,000 106,298,000 106,208,000 105,321,000 104,792,000 104,228,000 103,491,000 102,789,000 102,201,000 101,714,000 101,254,000 100,937,000 100,732,000 100,464,000 100,294,000 100,155,000                       
        accounts receivable
      129,185,000 114,386,000 219,414,000 211,932,000 178,955,000 230,079,000 216,650,000 212,469,000 205,468,000 170,959,000 186,739,000 186,070,000 197,276,000 172,212,000 150,149,000 160,672,000 128,828,000 133,662,000 141,254,000 100,366,000 42,940,000 51,182,000 56,043,000 33,267,000 73,807,000 71,372,000 78,125,000 70,946,000 47,660,000 63,526,000 58,547,000 52,313,000 49,323,000 46,235,000 47,996,000 48,692,000 41,136,000 35,892,000 40,650,000 32,469,000 28,266,000 33,094,000 30,856,000 28,097,000 22,685,000 26,515,000 37,467,000 33,915,000 23,246,000 27,838,000 32,807,000 24,616,000 22,740,000 23,761,000 24,936,000 25,351,000 15,425,000 14,729,000 15,586,000 
        prepaid expenses and other current assets
      249,355,000 306,263,000 253,057,000 242,527,000 278,366,000 276,373,000 247,952,000 263,713,000 209,547,000 228,878,000 210,252,000 180,284,000 187,589,000 173,139,000 163,202,000 166,634,000 129,827,000 133,189,000 132,038,000 121,127,000 124,983,000 121,252,000 126,051,000 109,131,000 103,439,000 136,905,000 102,952,000 90,346,000 83,383,000 83,692,000 79,788,000 81,806,000 83,692,000 67,707,000 57,798,000 53,677,000 46,619,000 48,455,000 48,624,000 54,760,000 48,749,000 126,939,000 62,088,000 76,706,000 66,029,000 73,969,000 68,589,000 83,086,000 78,955,000           
        assets held for sale
      2,973,000 3,119,000 449,149,000 447,558,000 463,020,000                                                       
        total current assets
      1,245,824,000 1,070,365,000 1,481,219,000 1,779,649,000 2,109,122,000 1,217,189,000 1,425,265,000 1,488,409,000 1,512,127,000 1,449,042,000 1,772,834,000 1,918,083,000 1,993,983,000 1,550,553,000 1,761,854,000 1,829,462,000 1,842,491,000 2,027,208,000 2,388,402,000 2,276,093,000 2,355,980,000 2,499,110,000 1,667,960,000 1,231,165,000 1,385,443,000 1,403,282,000 1,520,687,000 1,516,760,000 1,345,466,000 1,206,107,000 1,230,335,000 1,298,841,000 1,280,260,000 1,244,740,000 1,230,504,000 1,146,531,000 975,845,000 1,103,499,000 1,183,779,000 1,069,314,000 1,026,340,000 918,572,000 871,911,000 856,073,000 731,141,000 704,124,000 688,461,000 675,377,000 649,075,000 661,844,000 676,612,000 605,130,000 547,357,000 538,365,000 539,563,000 534,476,000 442,708,000 449,888,000 454,728,000 
        property and equipment:
                                                                 
        flight equipment
      1,963,081,000 2,165,717,000 1,893,585,000 1,890,021,000 2,736,461,000 3,788,568,000 3,775,788,000 3,798,197,000 3,961,785,000 4,216,125,000 4,219,907,000 4,216,067,000 4,326,515,000 4,447,877,000 4,424,409,000 4,382,247,000 4,356,523,000 4,288,465,000 4,257,349,000 4,207,088,000 4,177,631,000 4,126,302,000 4,071,980,000 3,965,137,000 3,730,751,000 3,549,087,000 3,514,104,000 3,322,618,000 3,257,215,000 3,023,898,000 2,911,378,000 2,853,431,000 2,291,110,000 2,017,888,000 1,809,747,000 1,608,959,000 1,461,525,000 1,386,310,000 1,225,219,000 1,031,886,000 827,282,000 689,603,000 549,517,000 422,617,000 204,462,000 16,064,000 12,397,000 10,657,000 9,847,000 5,148,000 4,073,000 4,289,000 2,648,000 4,029,000 10,698,000 4,169,000 4,182,000 4,204,000 4,120,000 
        other property and equipment
      452,243,000 444,917,000 447,030,000 443,629,000 784,195,000                                                       
        less accumulated depreciation
      -126,085,000 -89,476,000 -51,434,000 -7,685,000 -1,027,872,000 -1,274,378,000 -1,224,788,000 -1,185,536,000 -1,169,021,000 -1,161,980,000 -1,109,335,000 -1,052,373,000 -1,098,819,000 -1,044,492,000 -989,812,000 -937,386,000 -884,858,000 -832,361,000 -781,431,000 -731,308,000 -680,230,000 -631,685,000 -582,098,000 -537,928,000 -492,447,000 -450,195,000 -367,712,000 -369,405,000 -332,864,000 -296,157,000 -261,314,000 -235,532,000 -207,808,000 -183,065,000 -161,191,000 -140,535,000 -122,509,000 -105,653,000 -90,577,000 -76,703,000 -65,524,000 -55,521,000 -47,219,000 -41,472,000 -36,099,000 -32,345,000 -29,516,000 -27,306,000 -25,221,000 -23,202,000 -21,285,000 -19,595,000 -17,825,000 -31,562,000 -30,127,000 -28,728,000 -27,580,000 -27,327,000 -26,182,000 
        property and equipment: - sum
      2,289,239,000 2,521,158,000 2,289,181,000 2,325,965,000 2,492,784,000 3,299,455,000 3,336,335,000 3,400,292,000 3,519,128,000 3,731,960,000 3,740,500,000 3,738,682,000 3,749,498,000 3,881,137,000 3,858,418,000 3,852,559,000 3,856,593,000 3,827,341,000 3,832,262,000 3,816,830,000 3,831,568,000 3,822,710,000 3,810,408,000 3,733,085,000 3,530,302,000 3,333,632,000 3,362,166,000 3,154,792,000 3,116,012,000 2,906,080,000 2,818,103,000 2,779,297,000 2,238,468,000 1,983,147,000 1,789,510,000 1,604,550,000 1,465,222,000 1,390,108,000 1,238,628,000 1,048,907,000 844,217,000 710,218,000 568,588,000 442,005,000 225,375,000 53,395,000 37,993,000 37,527,000 35,613,000 31,513,000 30,523,000 30,409,000 28,403,000 25,957,000 31,936,000 24,535,000 23,210,000 20,872,000 19,737,000 
        operating lease right-of-use assets
      2,003,535,000 4,646,002,000 4,457,889,000 4,425,872,000 4,583,734,000 4,516,298,000 4,156,810,000 3,859,596,000 3,561,028,000 3,354,082,000 3,058,137,000 2,859,829,000 2,699,574,000 2,332,808,000 2,198,791,000 2,044,306,000 1,950,520,000 1,809,191,000 1,598,137,000 1,461,743,000 1,417,823,000 1,408,106,000 1,430,897,000 1,425,171,000 1,369,555,000 1,059,766,000 1,057,846,000 1,046,262,000                                
        intangible assets
      83,482,000 83,482,000 83,482,000 83,482,000                                                        
        pre-delivery deposits on flight equipment
      38,839,000 75,376,000 73,572,000 86,319,000 113,493,000 124,290,000 307,140,000 443,478,000 480,717,000 495,300,000 508,957,000 516,099,000 487,553,000 496,812,000 488,323,000 489,214,000 484,821,000 481,175,000 443,445,000 412,682,000 356,262,000 374,830,000 382,652,000 372,068,000 291,930,000 330,951,000 289,902,000 264,419,000 236,775,000                               
        deferred heavy maintenance
      90,723,000 110,568,000 115,451,000 132,889,000 241,094,000 302,600,000 306,746,000 307,276,000 313,505,000 293,299,000 252,682,000 230,014,000 190,349,000 360,034,000 342,335,000 324,282,000 330,062,000 323,922,000 323,105,000 334,508,000 347,907,000 362,596,000 376,745,000 376,765,000 361,603,000 328,109,000 309,555,000 280,118,000 249,010,000 191,632,000 172,799,000 138,942,000 99,915,000 87,566,000 75,858,000 71,870,000 75,534,000 79,878,000 75,172,000 80,144,000 89,127,000 99,571,000 108,051,000 115,584,000 123,108,000 128,304,000 129,021,000 127,774,000 125,288,000 110,514,000 102,332,000 91,371,000        
        other long-term assets
      241,495,000 288,093,000 75,493,000 75,942,000 54,951,000 33,217,000 27,160,000 27,444,000 30,732,000 37,867,000 39,017,000 59,610,000 63,817,000 38,271,000 37,507,000 37,098,000 37,372,000 37,231,000 35,478,000 35,448,000 36,127,000 35,895,000 35,659,000 35,761,000 36,897,000 40,113,000 38,118,000 43,229,000 79,456,000 79,445,000 79,081,000 82,560,000 121,003,000 112,085,000 114,444,000 114,509,000 110,223,000 85,024,000 81,336,000 78,578,000 77,539,000 73,817,000 71,511,000 69,074,000 67,329,000 63,171,000 59,906,000 57,178,000 51,636,000 43,187,000 42,166,000 45,884,000        
        total assets
      5,993,137,000 8,795,044,000 8,576,287,000 8,910,118,000 9,595,178,000 9,493,049,000 9,559,456,000 9,526,495,000 9,417,237,000 9,361,550,000 9,372,127,000 9,322,317,000 9,184,774,000 8,685,495,000 8,715,023,000 8,611,717,000 8,540,025,000 8,537,349,000 8,671,483,000 8,387,735,000 8,398,825,000 8,557,294,000 7,767,944,000 7,235,261,000 7,043,412,000 6,575,214,000 6,662,781,000 6,423,939,000 5,165,457,000 4,781,731,000 4,681,725,000 4,654,431,000 4,143,950,000 3,870,942,000 3,674,345,000 3,438,614,000 3,151,927,000 3,129,625,000 3,030,200,000 2,763,248,000 2,530,545,000 2,276,922,000 2,105,337,000 1,955,856,000 1,602,981,000 1,413,554,000 1,349,850,000 1,299,255,000 1,180,765,000 1,125,139,000 1,107,061,000 1,019,752,000 919,884,000 884,680,000 869,525,000 844,894,000 745,813,000 722,163,000 709,964,000 
        liabilities and shareholders’ equity
                                                                 
        current liabilities:
                                                                 
        accounts payable
      44,079,000 149,270,000 147,676,000 101,213,000 32,385,000 49,637,000 70,014,000 85,074,000 42,098,000 86,297,000 76,158,000 53,046,000 75,449,000 112,007,000 76,048,000 47,422,000 44,952,000 53,961,000 55,072,000 33,199,000 28,454,000 36,068,000 41,060,000 62,949,000 43,601,000 41,915,000 43,848,000 26,713,000 39,320,000 63,190,000 50,310,000 31,674,000 22,822,000 30,961,000 33,186,000 39,612,000 15,193,000 29,906,000 27,728,000 23,017,000 17,043,000 15,823,000 21,751,000 13,835,000 13,402,000 17,954,000 21,842,000 24,741,000 23,104,000 20,766,000 23,097,000 17,527,000 24,166,000 21,317,000 28,599,000 24,880,000 15,928,000 17,874,000 16,927,000 
        air traffic liability
      337,694,000 373,096,000 407,473,000 454,521,000 436,813,000 459,558,000 496,985,000 475,653,000 383,751,000 429,355,000 479,677,000 566,856,000 429,618,000 495,815,000 561,705,000 558,303,000 382,317,000 447,470,000 608,136,000 509,172,000 401,966,000 429,892,000 452,023,000 411,286,000 315,408,000 361,218,000 402,990,000 403,001,000 291,981,000 323,627,000 357,645,000 357,193,000 246,404,000 276,933,000 312,587,000 308,958,000 206,392,000 238,793,000 283,851,000 263,430,000 216,831,000 237,043,000 270,185,000 259,404,000 188,870,000 216,477,000 232,072,000 230,068,000 167,627,000 180,735,000 205,786,000 175,803,000 131,414,000 136,693,000 145,085,000 155,738,000 112,280,000 123,197,000 139,791,000 
        current maturities of long-term debt, net, and finance leases
      474,813,000 119,226,000 121,190,000 191,572,000 436,532,000 1,253,376,000 142,815,000 156,812,000 315,580,000 235,868,000 235,579,000 261,724,000 346,888,000                                               
        current maturities of operating leases
       4,201,000 239,633,000 238,685,000 257,796,000 255,942,000 243,528,000 234,062,000 224,865,000 210,994,000 201,337,000 195,039,000 188,296,000 175,614,000 169,195,000 164,814,000 158,631,000 150,319,000 144,571,000 135,260,000 133,791,000 130,793,000 128,536,000 125,713,000 120,662,000 117,376,000 114,877,000 128,138,000                                
        other current liabilities
      427,139,000 364,383,000 537,556,000 591,357,000 605,839,000 521,690,000 557,806,000 577,433,000 705,298,000 638,286,000 693,211,000 675,944,000 556,330,000 531,158,000 578,663,000 546,733,000 480,754,000 443,852,000 496,095,000 473,826,000 393,614,000 326,650,000 247,013,000 296,607,000 373,521,000 337,685,000 379,041,000 395,404,000 339,677,000 287,142,000 346,407,000 378,178,000 262,370,000 249,132,000 244,629,000 231,932,000 226,011,000 217,779,000 217,370,000 228,137,000 182,729,000 176,259,000 207,879,000 190,874,000 152,921,000 160,386,000 146,624,000 161,172,000 145,262,000 129,770,000 151,516,000 149,933,000 121,314,000 109,810,000 117,479,000 117,037,000 98,856,000 97,947,000 100,091,000 
        total current liabilities
      1,283,725,000 1,010,176,000 1,453,528,000 1,577,348,000 1,769,365,000 2,540,203,000 1,511,148,000 1,529,034,000 1,671,592,000 1,600,800,000 1,685,962,000 1,752,609,000 1,596,581,000 1,668,531,000 1,737,132,000 1,611,275,000 1,275,602,000 1,303,901,000 1,601,179,000 1,508,080,000 1,342,022,000 1,296,703,000 1,271,182,000 1,231,486,000 1,112,044,000 1,052,776,000 1,211,163,000 1,126,669,000 834,535,000 824,821,000 900,227,000 1,047,326,000 647,026,000 662,984,000 685,830,000 673,174,000 531,950,000 570,921,000 607,545,000 567,596,000 466,240,000 466,883,000 529,491,000 486,297,000 365,624,000 394,817,000 400,538,000 415,981,000 335,993,000 331,271,000 380,399,000 343,263,000 276,894,000 267,820,000 291,163,000 297,655,000 227,064,000 239,018,000 256,809,000 
        long-term debt and finance leases, less current maturities
      718,888,000    1,761,215,000    3,055,221,000    3,200,376,000    2,975,823,000 2,975,328,000 3,014,958,000 3,048,378,000 3,066,635,000 3,074,900,000 2,333,600,000 1,965,524,000 1,960,453,000 1,968,901,000 2,025,183,000 2,039,619,000                                
        operating leases, less current maturities
       18,426,000 4,228,832,000 4,200,013,000 4,335,106,000 4,267,577,000 3,895,269,000 3,593,771,000 3,298,871,000 3,108,399,000 2,793,437,000 2,605,011,000 2,455,619,000 2,104,484,000 1,981,467,000 1,835,306,000 1,751,351,000 1,624,001,000 1,422,139,000 1,290,800,000 1,248,519,000 1,242,843,000 1,269,670,000 1,268,110,000 1,218,014,000 915,977,000 915,288,000 895,056,000                                
        deferred income taxes
      59,438,000 65,988,000 64,757,000 69,305,000 51,927,000 71,639,000 96,450,000 92,783,000 107,761,000 160,054,000 205,796,000 189,054,000 226,843,000 297,875,000 310,351,000 325,761,000 375,472,000 380,867,000 412,621,000 398,097,000 439,894,000 486,487,000 517,537,000 505,263,000 469,292,000 446,940,000 399,765,000 366,854,000 355,141,000 332,119,000 295,601,000 292,888,000 313,140,000 406,080,000 372,998,000 327,660,000      9,643,000 9,643,000 9,643,000 9,643,000 15,166,000 15,166,000 14,387,000 16,243,000 14,512,000 16,967,000 12,874,000 12,591,000 14,962,000 17,982,000 18,873,000 20,738,000 30,502,000 41,858,000 
        deferred gains and other long-term liabilities
      39,289,000 94,286,000 107,277,000 108,704,000 122,595,000 123,146,000 122,848,000 133,095,000 149,450,000 132,861,000 134,668,000 141,736,000 133,704,000 116,998,000 116,657,000 116,240,000 47,742,000 54,428,000 39,779,000 49,391,000 52,060,000 52,258,000 32,793,000 30,487,000 22,277,000 10,533,000 16,355,000 18,085,000 22,503,000 20,105,000 20,630,000 23,486,000 19,205,000 17,204,000 18,125,000 17,712,000 19,868,000 20,108,000 19,541,000 20,179,000 20,821,000 21,760,000 18,213,000 27,832,000 22,455,000               
        liabilities subject to compromise
      5,983,485,000 6,691,470,000   1,635,104,000                                                       
        shareholders’ equity
                                                                 
        common stock: common stock, 0.0001 par value...
      3,000    11,000    11,000    11,000    11,000    10,000    7,000    7,000    7,000    7,000    7,000    7,000               
        additional paid-in-capital
      740,978,000 738,733,000 736,212,000 734,368,000 1,173,692,000 1,171,856,000 1,169,904,000 1,169,562,000 1,158,278,000 1,155,637,000 1,153,068,000 1,149,588,000 1,146,015,000 1,143,076,000 1,140,254,000 1,135,872,000 1,131,826,000 1,129,263,000 1,126,031,000 750,359,000 799,549,000 796,553,000 636,317,000 383,186,000 379,380,000 379,354,000 377,639,000 374,896,000 371,225,000 368,451,000 365,536,000 363,230,000 360,153,000 557,772,000 555,704,000 553,820,000 551,004,000 549,375,000 547,763,000 545,377,000 544,277,000 542,022,000 539,443,000 536,050,000 526,173,000 523,476,000 520,492,000 518,506,000 515,331,000 513,142,000 508,745,000 506,558,000 504,527,000 500,981,000 499,599,000 497,396,000 496,136,000 496,014,000 496,240,000 
        treasury stock
          -81,285,000 -81,284,000 -81,280,000 -81,271,000 -80,635,000 -79,706,000 -79,672,000 -79,671,000 -77,998,000 -77,446,000 -77,416,000 -77,411,000 -75,639,000 -75,476,000 -75,448,000 -75,431,000 -74,124,000 -74,052,000 -74,009,000 -73,991,000 -72,455,000 -72,372,000 -72,264,000 -72,239,000 -67,016,000 -66,999,000 -66,840,000 -66,813,000 -65,854,000 -219,930,000 -219,909,000 -219,726,000 -218,692,000 -218,572,000 -180,756,000 -126,779,000 -116,182,000 -116,083,000 -83,336,000 -14,864,000 -3,921,000 -3,792,000 -3,513,000 -2,912,000 -2,291,000 -2,257,000 -2,088,000 -1,472,000 -1,151,000 -1,065,000 -985,000 -586,000 -129,000   
        retained earnings
      -2,832,669,000 -574,243,000 -256,767,000 -10,936,000 -1,172,740,000 -587,050,000 -278,807,000 -85,880,000 56,755,000 240,407,000 397,959,000 400,308,000 504,219,000 774,883,000 811,260,000 863,666,000 1,058,369,000 1,145,528,000 1,130,754,000 1,418,617,000 1,524,878,000 1,682,182,000 1,781,322,000 1,925,750,000 1,955,187,000 1,873,973,000 1,790,509,000 1,676,008,000 1,625,481,000 1,533,545,000 1,436,064,000 1,424,810,000 1,484,239,000 1,233,901,000 1,173,711,000 1,095,568,000 1,063,633,000 1,015,140,000 933,758,000 860,674,000 798,754,000 724,354,000 627,240,000 550,536,000 481,534,000 425,624,000 358,625,000 293,776,000 256,070,000 212,877,000 151,774,000 109,706,000 79,152,000 59,586,000 28,702,000     
        accumulated other comprehensive income
        -2,000 -21,000 188,000 216,000 -166,000 -165,000 -67,000 -304,000          -566,000 -618,000 -608,000 -495,000 -561,000 -787,000 -875,000 -864,000 -1,016,000 -1,193,000 -1,222,000 -1,266,000              -718,000               
        total shareholders’ equity
      -2,091,688,000 164,493,000 479,445,000 723,413,000 -80,134,000 503,749,000 809,662,000 1,002,257,000 1,134,342,000 1,316,045,000 1,471,072,000 1,469,846,000 1,571,651,000 1,839,777,000 1,873,215,000 1,921,376,000 2,114,035,000 2,198,824,000 2,180,807,000 2,092,989,000 2,249,695,000 2,404,103,000 2,343,162,000 2,234,391,000 2,261,332,000 2,180,087,000 2,095,027,000 1,977,656,000 1,928,504,000 1,833,782,000 1,733,501,000 1,719,805,000 1,777,081,000 1,570,536,000 1,508,233,000 1,428,346,000 1,394,607,000 1,344,556,000 1,299,317,000 1,277,768,000 1,225,310,000 1,148,673,000 1,082,280,000 1,069,417,000 1,003,075,000 945,315,000 875,611,000 809,377,000 769,117,000 723,769,000 658,438,000 614,799,000 582,535,000 559,509,000 527,323,000 490,928,000 466,706,000 442,722,000 415,291,000 
        total liabilities and shareholders’ equity
      5,993,137,000 8,795,044,000 8,576,287,000 8,910,118,000 9,595,178,000 9,493,049,000 9,559,456,000 9,526,495,000 9,417,237,000 9,361,550,000 9,372,127,000 9,322,317,000 9,184,774,000 8,685,495,000 8,715,023,000 8,611,717,000 8,540,025,000 8,537,349,000 8,671,483,000 8,387,735,000 8,398,825,000 8,557,294,000 7,767,944,000 7,235,261,000 7,043,412,000 6,575,214,000 6,662,781,000 6,423,939,000 5,165,457,000 4,781,731,000 4,681,725,000 4,654,431,000 4,143,950,000 3,870,942,000 3,674,345,000 3,438,614,000 3,151,927,000 3,129,625,000 3,030,200,000 2,763,248,000 2,530,545,000 2,276,922,000 2,105,337,000 1,955,856,000 1,602,981,000 1,413,554,000 1,349,850,000 1,299,255,000 1,180,765,000 1,125,139,000 1,107,061,000 1,019,752,000 919,884,000 884,680,000 869,525,000 844,894,000 745,813,000 722,163,000 709,964,000 
        long-term debt, net and finance leases, less current maturities
       750,205,000 2,242,448,000 2,231,335,000  1,986,735,000 3,124,079,000 3,175,555,000  3,043,391,000 3,081,192,000 3,164,061,000  2,657,830,000 2,696,201,000 2,801,759,000                                            
        common stock
       3,000 2,000 2,000  11,000 11,000 11,000  11,000 11,000 11,000  11,000 11,000 11,000  11,000 11,000 10,000  28,000 27,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 7,000  7,000 7,000 
        ground property and equipment
           785,265,000 785,335,000 787,631,000 726,364,000 677,815,000 629,928,000 574,988,000 521,802,000 477,752,000 423,821,000 407,698,000 384,928,000 371,237,000 356,344,000 341,050,000 334,167,000 328,093,000 320,526,000 305,876,000 291,998,000 234,740,000 215,774,000 201,579,000 191,661,000 178,339,000 168,039,000 161,398,000 155,166,000 148,324,000 140,954,000 136,126,000 126,206,000 109,451,000                      
        shareholders’ equity:
                                                                 
        income tax receivable
               549,000 36,261,000 36,261,000 36,261,000 36,363,000 37,890,000 37,890,000 37,890,000 37,890,000 37,714,000 37,472,000 147,460,000 146,961,000 146,961,000 104,226,000 21,013,000 21,693,000    78,506,000 70,672,000 69,844,000 69,844,000                           
        accumulated other comprehensive loss
                -294,000 -390,000 -596,000 -747,000 -894,000 -762,000 -532,000 -502,000 -541,000             -1,429,000 -1,464,000 -1,214,000 -1,280,000 -1,323,000 -1,345,000 -1,394,000 -1,455,000 -1,511,000 -1,546,000 -1,627,000 -1,074,000 -2,312,000                
        aircraft maintenance deposits
                   13,756,000 12,228,000 14,940,000 10,726,000 27,500,000 45,111,000 72,281,000 73,134,000 70,934,000 75,147,000 90,108,000 102,906,000 132,842,000 124,585,000 129,838,000 106,901,000 104,472,000 107,252,000 95,167,000 175,615,000 166,386,000 155,093,000 125,758,000 87,035,000 87,105,000 77,590,000 79,276,000 73,415,000 199,200,000 217,932,000 212,786,000 213,147,000 194,867,000 185,699,000 171,862,000 161,484,000 145,598,000 143,631,000 137,239,000 122,379,000       
        long-term aircraft maintenance deposits
                   25,880,000 27,795,000 34,796,000 38,166,000 31,281,000 50,654,000 50,431,000 53,158,000 54,047,000 63,623,000 61,246,000 67,682,000 79,361,000 84,507,000 118,359,000 138,738,000 144,642,000 141,183,000 149,751,000 150,617,000 138,672,000 146,162,000 170,631,000 199,415,000 198,426,000 201,925,000 196,470,000 206,485,000                   
        current maturities of long-term debt, net and finance leases
                   353,937,000 351,521,000 294,003,000                                            
        current maturities of long-term debt and finance leases
                      208,948,000 208,299,000 210,945,000 356,623,000 384,197,000 373,300,000 288,498,000 334,931,000 258,852,000 194,582,000 270,407,000 173,413,000                                
        deferred salaries, wages and benefits
                        86,360,000    114,052,000                                     
        current maturities of long-term debt and capital leases
                                  163,557,000 150,862,000 145,865,000 280,281,000                            
        long-term debt and capital leases, less current maturities
                                  2,024,774,000 1,770,904,000                              
        deposits on flight equipment purchase contracts
                                   253,825,000 240,224,000 205,040,000 253,687,000 304,732,000 317,867,000 330,523,000 325,688,000 272,690,000 249,360,000 289,835,000 286,837,000 275,544,000 267,344,000 260,334,000 242,881,000 269,693,000 248,770,000 229,537,000 157,669,000 132,483,000 111,797,000 109,719,000 96,692,000 95,862,000 84,291,000 90,777,000 91,450,000 72,811,000 65,266,000 
        long-term debt, less current maturities
                                    1,731,766,000 1,570,926,000 1,387,498,000 1,214,138,000 1,089,159,000 991,722,000 897,359,000 894,809,000 836,418,000 655,103,000  500,147,000 398,975,000 302,800,000                
        current maturities of long-term debt
                                      115,430,000 105,958,000 95,428,000 92,672,000 84,354,000 84,443,000 78,596,000 53,012,000 49,637,000 37,758,000 29,676,000 22,184,000 10,431,000               
        prepaid income taxes
                                           6,060,000 2,835,000  72,278,000                   
        long-term deferred income taxes
                                          308,143,000 299,231,000 267,379,000 242,602,000 221,481,000 139,459,000 76,378,000 69,510,000 76,010,000 47,443,000 47,443,000 47,469,000 48,916,000 43,932,000 43,554,000 36,031,000 33,216,000 28,311,000 22,191,000 15,612,000    
        investment securities
                                           100,083,000                      
        ground and other equipment
                                            103,986,000 93,724,000 82,459,000 76,136,000 66,290,000 60,860,000 57,012,000 69,676,000 55,112,000 54,176,000 50,987,000 49,567,000 47,735,000 45,715,000 43,580,000 53,490,000 51,365,000 49,094,000 46,608,000 43,995,000 41,799,000 
        long-term debt less current maturities
                                              596,693,000    135,817,000               
        common stock: non-voting common stock: 0.0001 par value...
                                                                 
        deferred credits and other long-term liabilities
                                                   25,979,000 26,258,000 26,428,000 26,739,000 26,167,000 24,670,000 25,659,000 27,239,000 29,040,000 28,848,000 40,699,000 52,043,000 40,423,000 37,864,000 
        common stock: common stock, .0001 par value...
                                                      7,000    6,000    6,000   
        common stock: non-voting common stock: .0001 par value...
                                                          1,000    1,000   
        other current assets
                                                       79,299,000 101,933,000 84,156,000 95,210,000 100,499,000 81,668,000 69,421,000 63,217,000 53,684,000 50,423,000 
        deferred heavy maintenance and other long-term assets
                                                          125,053,000       
        prepaid aircraft maintenance to lessors
                                                           117,506,000 117,560,000 115,617,000 120,615,000 119,790,000 118,842,000 
        security deposits and other long-term assets
                                                           106,990,000 96,175,000 79,489,000 67,830,000 58,802,000 51,391,000 
        accumulated deficit
                                                             -5,889,000 -29,308,000 -53,299,000 -80,956,000 
        current maturities of long-term debt and obligations, due to related parties
                                                                 
        current maturities of long-term debt and obligations, due to non-related parties
                                                                 
        due to related parties, less current maturities
                                                                 
        mandatorily redeemable preferred stock
                                                                 
        common stock: class a common stock, 0.0001 par value...
                                                                 
        common stock: class b common stock, 0.0001 par value...
                                                                 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 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 2021-12-31 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 
                                                                  
          operating activities:
                                                                  
          net income
        -2,258,426,000 -317,476,000 -245,831,000 -10,936,000 -585,690,000 -308,243,000 -192,927,000 -142,635,000 -183,652,000 -157,552,000 -2,349,000 -103,911,000        -112,321,000 -157,304,000 -99,140,000 -144,428,000 -27,828,000 81,214,000 83,464,000 114,501,000 56,076,000 91,937,000 97,480,000 11,254,000 -44,922,000 250,338,000 60,190,000 78,143,000 31,935,000 48,493,000 81,382,000 73,084,000 61,920,000 74,400,000 97,114,000 76,704,000 69,002,000 55,909,000 67,000,000 64,849,000 37,706,000           
          adjustments to reconcile net income to net cash from operations:
                                                                  
          losses reclassified from other comprehensive income
          -2,000 48,000 17,000 19,000 19,000 185,000 41,000 43,000 45,000 48,000 49,000 51,000 51,000 54,000 56,000 58,000 58,000 61,000 63,000 63,000 65,000 95,000 72,000 74,000 74,000 77,000 79,000 80,000 79,000 83,000 85,000 83,000 84,000 87,000 89,000 88,000 90,000                   
          share-based compensation
        2,245,000 2,522,000   1,836,000 1,952,000 342,000 3,080,000 2,641,000 2,569,000 3,480,000 3,273,000 2,938,000 2,822,000 1,677,000 4,046,000 2,564,000 3,232,000 2,486,000 4,254,000 2,979,000 2,154,000 2,652,000 3,790,000 26,000 1,715,000 2,742,000 3,671,000                               
          allowance for doubtful accounts
        -284,000 -762,000   -1,000 -228,000 1,051,000 153,000 6,000   -226,000 -32,000 340,000 -170,000 -23,000       1,000 -5,000 -7,000 -2,000 -21,000 -30,000 -133,000 -8,000 196,000 25,000 5,000 -1,000 -23,000 31,000 18,000 -30,000 -20,000 -13,000           
          amortization of debt issuance costs
        312,000 947,000 1,116,000 233,000 2,475,000 3,556,000 3,487,000 3,582,000 3,779,000 3,846,000 3,848,000 3,981,000 3,571,000 3,202,000      3,509,000 3,415,000                                      
          amortization of debt fair value adjustment
        4,349,000 7,853,000                                                         
          depreciation and amortization
        57,729,000 58,032,000 62,886,000 11,597,000 75,413,000 84,028,000 84,486,000 81,346,000 79,537,000 82,802,000 80,542,000 77,991,000 82,246,000 78,184,000 76,469,000 76,191,000 74,936,000 74,260,000 73,703,000 74,312,000 72,133,000 71,351,000 69,113,000 65,991,000 61,913,000 57,712,000 54,913,000 50,726,000 47,963,000 43,773,000 45,618,000 39,373,000 36,472,000 36,840,000 35,331,000 31,509,000 27,766,000 25,304,000 24,957,000 23,109,000 22,278,000 19,628,000 17,139,000 14,863,000 13,168,000 11,338,000 11,344,000 11,121,000           
          accretion of convertible debt and 8.00% senior secured notes
                            4,240,000                                      
          amortization of debt discount
        2,376,000 110,000   1,506,000 2,883,000 2,884,000 2,883,000 2,883,000 2,884,000 -1,430,000 3,808,000 3,808,000 3,808,000 3,808,000 2,538,000                                           
          deferred income tax expense
        -6,550,000 1,231,000             -15,372,000 -49,647,000 -5,383,000 -31,766,000 14,516,000 -26,869,000 -46,587,000 -31,017,000 -4,849,000 36,367,000 24,001,000 47,177,000 32,864,000 11,647,000 25,060,000 38,847,000 2,662,000 -20,266,000 -99,444,000 33,045,000 45,315,000 19,474,000 8,519,000 31,817,000 24,744,000 21,066,000 91,654,000 63,401,000 6,119,000 -5,560,000               
          loss on disposal of assets
        4,945,000 -113,713,000 -309,000 -19,000 287,756,000 3,191,000 -14,047,000 -3,029,000 28,314,000 -2,250,000 802,000 7,100,000 15,062,000 9,374,000 10,636,000 11,552,000 1,482,000 532,000 189,000 1,117,000     477,000 13,410,000 1,550,000 1,913,000 3,019,000 1,069,000 4,644,000 848,000 1,054,000 516,000 1,493,000 1,105,000 3,021,000 423,000 529,000 214,000 304,000 290,000 415,000 595,000 1,350,000 793,000 715,000 150,000           
          reorganization items
        2,146,260,000                                                          
          changes in operating assets and liabilities:
                                                                  
          accounts receivable
        -11,749,000 105,790,000 -7,697,000 -10,251,000 47,769,000 -8,967,000 -3,953,000 -8,052,000 -34,509,000 15,627,000 -669,000 11,200,000 -25,064,000 -22,063,000 10,631,000 -31,844,000 5,060,000 7,624,000 -41,228,000 -57,256,000 8,242,000 4,884,000 -22,550,000 39,910,000 -2,435,000 6,753,000 -7,180,000 -23,285,000 15,865,000 -4,979,000 -6,229,000 -2,983,000 -3,088,000 1,762,000 718,000 -7,526,000 -5,111,000 4,822,000 -8,433,000 -4,229,000 4,782,000 -2,237,000 -2,693,000 -5,444,000 3,812,000 10,982,000 -3,532,000 -10,656,000           
          deposits and other assets
        47,188,000 -238,173,000 -8,856,000 4,668,000 -17,441,000 -30,313,000 20,348,000 -49,338,000 27,320,000 -15,766,000 -7,919,000 580,000         -1,906,000                                      
          deferred heavy maintenance
        -5,336,000 -12,390,000 -1,706,000 -10,639,000 -11,673,000 -25,515,000 -28,114,000 -21,110,000 -40,251,000 -64,019,000 -42,551,000 -56,105,000 -49,973,000 -41,088,000 -40,528,000 -17,698,000 -28,894,000 -23,532,000 -11,191,000 -10,466,000 -9,034,000 -8,890,000 -21,742,000 -35,564,000 -52,658,000 -34,949,000 -44,189,000 -44,161,000 -68,738,000 -27,376,000 -43,555,000 -50,712,000                           
          income tax receivable
            4,097,000    549,000    102,000    -176,000 -242,000 109,988,000 -499,000 -42,735,000 -83,213,000 680,000    78,506,000 -7,834,000                             
          accounts payable
        -102,709,000 107,243,000 46,463,000 54,537,000 -16,616,000 -20,909,000 -41,316,000 38,717,000 -43,457,000 9,906,000 36,548,000 -37,048,000 -39,049,000 25,283,000 27,986,000 -5,188,000 -8,481,000 -2,486,000 20,822,000 3,202,000 -7,546,000 -3,029,000 -21,331,000 14,854,000 -314,000 -1,141,000 15,567,000 -13,543,000 -23,454,000 13,358,000 19,186,000 6,227,000 -7,799,000 -2,559,000 -2,549,000 18,937,000 221,000 -10,068,000 -1,679,000 4,703,000 366,000 -5,516,000 7,423,000 433,000 -4,510,000 -4,062,000 -2,919,000 1,457,000           
          air traffic liability
        -35,535,000 -33,742,000 -47,048,000 -64,147,000 -22,745,000 -37,427,000 21,332,000 91,902,000 -45,604,000 -50,322,000 -87,179,000 137,238,000 -66,197,000 -65,890,000 3,402,000 175,986,000 -65,153,000 -160,666,000 98,964,000 107,206,000 -27,926,000 -22,131,000 40,739,000 95,876,000 -45,808,000 -41,772,000 -11,000 111,020,000 -31,646,000 -34,020,000 453,000 93,483,000 -30,529,000 -34,946,000 3,279,000 102,207,000 -33,266,000 -44,847,000 20,058,000 46,473,000 -20,573,000 -33,096,000 10,706,000 79,350,000 -27,601,000 -15,595,000 2,003,000 62,328,000           
          other liabilities
        104,359,000 -99,570,000 -46,422,000 14,516,000 46,138,000 544,000 11,119,000 -121,489,000 69,671,000 -12,540,000 -10,544,000 129,853,000 46,923,000 -82,125,000 23,023,000 80,568,000 25,472,000 -40,562,000 12,151,000 83,042,000 63,026,000 91,372,000 -51,663,000 -75,541,000 -95,233,000 -51,323,000 -24,558,000 30,712,000 50,142,000 -59,913,000 -33,970,000 117,779,000 14,922,000 1,918,000 13,936,000 298,000 8,795,000 13,327,000 -8,027,000 33,296,000 -3,726,000 -21,482,000 9,684,000 29,643,000 -8,405,000 14,317,000 -8,318,000 16,137,000           
          other
        -1,000 -691,000 -206,000 -879,000 -1,091,000 -1,163,000 51,000 1,128,000 -862,000 -593,000 -435,000 -242,000 32,000 84,000 194,000 193,000 173,000 207,000 158,000 88,000 -10,000 275,000 -235,000 -129,000 -269,000 -260,000 -164,000 -239,000 -144,000 28,000 -20,000 41,000 100,000 126,000 113,000                       
          net cash from operating activities
        -50,827,000 -406,113,000 -239,067,000 -10,592,000 -123,795,000 -364,299,000 -133,018,000 -136,975,000 -182,775,000      67,222,000 19,545,000    186,648,000    34,582,000 50,824,000 17,373,000 135,873,000 205,151,000 197,965,000 57,510,000 79,853,000 171,135,000 38,768,000 62,742,000 149,568,000 174,162,000 33,637,000 79,220,000 102,722,000 258,099,000 106,703,000 69,411,000 129,036,000 167,835,000 54,217,000 62,160,000 53,496,000 90,639,000 21,745,000 39,371,000 49,067,000 85,193,000 24,824,000 -8,613,000 17,746,000 79,674,000 21,710,000 111,586,000 
          investing activities:
                                                                  
          purchase of available-for-sale investment securities
        -19,754,000 -8,242,000 -29,705,000 -37,316,000 -36,048,000 -58,676,000 -32,154,000 -39,863,000 -35,017,000 -20,593,000 -50,983,000 -20,737,000 -12,221,000 -26,749,000 -21,227,000 -28,198,000 -35,244,000 -20,692,000 -23,591,000 -40,310,000 -30,956,000 -24,036,000 -28,853,000 -36,202,000 -30,879,000 -26,476,000 -24,202,000 -26,541,000 -42,834,000 -30,853,000 -10,395,000 -28,392,000 -43,969,000 -24,490,000                       
          proceeds from the maturity and sale of available-for-sale investment securities
        140,016,000 8,170,000 29,250,000 37,000,000 35,750,000 58,350,000 31,800,000 39,360,000 34,410,000 20,000,000 50,500,000 20,500,000 12,000,000 26,500,000 21,000,000 28,000,000 35,000,000 20,500,000 23,400,000 40,070,000 30,595,000 23,600,000                                   
          proceeds from sale of property and equipment
           68,251,000 2,732,000 22,810,000 138,771,000 178,322,000 16,315,000 12,306,000 23,845,000                 1,900,000                        -5,454,000 67,000 
          pre-delivery deposit and other payments on flight equipment
        -1,411,000 -2,117,000 -706,000 -2,823,000                                                      
          pre-delivery deposit refunds on flight equipment
        11,400,000   12,935,000 185,835,000                                                     
          capitalized interest
        -263,000 -288,000 -211,000 -51,000 -1,304,000 -2,322,000 -5,123,000 -5,726,000 -5,743,000 -5,254,000 -6,001,000 -4,862,000 -4,860,000 -4,358,000 -4,776,000 -4,172,000 -4,554,000 -3,649,000 -4,713,000 -4,342,000 -3,076,000 -2,868,000 -3,429,000 -2,860,000 -3,067,000 -2,771,000 -2,660,000 -2,276,000 -2,613,000 -1,938,000 -2,678,000 -1,500,000 -4,251,000 -1,679,000 -4,728,000 -1,647,000 -3,802,000 -2,478,000 -1,979,000 -2,575,000 -1,767,000 -3,030,000 -2,829,000 -2,533,000 -1,659,000 -878,000 -103,000 -107,000           
          assets under construction for others
        652,000 4,688,000 3,377,000 829,000 192,000 981,000 361,000 34,000 114,000      -1,000 -36,000 -373,000 -797,000 -455,000 -1,207,000 -225,000 -2,057,000 -345,000 -5,356,000 -1,973,000 -262,000                               
          purchase of property and equipment
        -9,857,000 -11,926,000 -9,927,000 -4,154,000 -19,201,000 -31,203,000 3,787,000 -64,338,000 -44,480,000 -80,104,000 -70,466,000 -60,513,000 -62,833,000 -68,480,000 -58,931,000 -47,340,000 -81,636,000 -44,977,000 -47,717,000 -39,437,000 -47,597,000 -51,145,000 -99,262,000 -195,371,000 -78,041,000 40,306,000 -91,593,000 -63,109,000 -186,385,000 -97,357,000 -86,008,000 -237,221,000 -200,820,000 -158,542,000 -157,254,000 -112,265,000 -93,667,000 -144,280,000 -143,346,000 -159,829,000 -97,001,000 -143,636,000 -123,554,000 -184,609,000 -160,308,000 -18,831,000 -3,344,000 -4,086,000 -2,784,000 -3,212,000 -3,228,000 -10,588,000 -2,060,000 -2,493,000 -9,395,000 -9,823,000 -4,520,000  
          net cash from investing activities
        1,932,000 262,324,000 124,601,000 -4,154,000 57,595,000 153,895,000 153,293,000 98,818,000 149,037,000    -61,038,000 -81,344,000 -65,439,000 -57,619,000 -88,999,000 -84,423,000 -81,517,000 -97,506,000 -41,186,000 -55,460,000 -133,586,000 -323,768,000 -14,773,000 -61,597,000 -134,508,000 -103,951,000 -233,115,000 -139,758,000 -130,185,000 -280,650,000 -233,216,000 -202,934,000 -196,918,000 -158,935,000 -162,496,000 -295,322,000 -155,689,000 -212,762,000 -161,825,000 -160,323,000 -144,137,000 -234,997,000 -160,155,000 -40,777,000 -24,152,000 -77,287,000 -31,744,000 -24,792,000 -7,849,000 -25,715,000 -7,869,000 -14,048,000 2,973,000 -8,379,000 -36,054,000 -9,304,000 
          financing activities:
                                                                  
          proceeds from issuance of long-term debt
        275,000,000 215,000,000 300,000,000 123,500,000         51,500,000 537,658,000 25,338,000 42,000,000 896,245,000 505,165,000 168,981,000 131,185,000 35,000,000 59,706,000 313,928,000 77,831,000 213,212,000 227,128,000 223,898,000 150,000,000 140,301,000 115,526,000 38,706,000 78,022,000 226,633,000 73,914,000 120,780,000 120,000,000 111,000,000 185,000,000               
          proceeds from issuance of common stock and warrants
                          163,060,000                                     
          proceeds from dip financing
                                                                  
          payments on debt obligations
        -72,463,000 -21,396,000 -35,854,000 -6,275,000 -33,929,000 -31,885,000 -72,814,000 -46,818,000 -50,470,000 -45,186,000 -112,384,000 -129,435,000 -53,250,000 -43,028,000 -52,417,000 -44,338,000 -53,620,000 -45,616,000 -721,627,000 -135,925,000 -46,257,000 -58,618,000 -106,868,000 -42,561,000 -120,869,000 -40,129,000 -47,884,000 -37,901,000 -44,050,000 -32,576,000                             
          payments for the early extinguishment of debt
        -18,074,000   -16,672,000 -124,007,000                                                 
          payments on finance lease obligations
        -55,000 -55,000 -55,000 -18,000 -55,000 -80,000 -91,000 -86,000 -88,000 -115,000 -114,000 -179,000 -211,000 -210,000 -211,000 -210,000 -216,000 -218,000 -208,000 -189,000 -190,000 -191,000 -174,000 -24,846,000 -939,000 -93,812,000 -1,557,000 -239,000                               
          reimbursement for assets under construction for others
        -373,000 -4,688,000 -3,379,000 -1,129,000 -409,000 -764,000 -361,000 -34,000 -114,000      1,000 36,000 373,000 586,000 656,000 1,175,000 227,000 2,095,000 229,000 3,154,000 1,973,000 262,000                               
          repurchase of common stock
            -1,000 -4,000 -9,000 -636,000 -929,000 -34,000 -1,000 -1,673,000 -552,000 -30,000 -5,000 -1,772,000 -163,000 -28,000 -17,000 -1,307,000 -72,000 -43,000 -18,000 -1,536,000 -83,000 -108,000 -25,000 -5,223,000 -17,000 -159,000 -27,000 -959,000 -45,342,000 -21,000 -183,000 -1,034,000 -120,000 -40,112,000 -52,677,000 -9,601,000 -99,000 -32,747,000 -68,472,000 -10,943,000 -129,000 -279,000 -601,000 -621,000 -34,000 -169,000 -616,000 -321,000       
          debt and equity financing costs
                                                                
          net cash from financing activities
        266,609,000 230,787,000 -83,992,000 207,578,000 543,014,000 -41,336,000 -73,275,000 -48,081,000 80,626,000              584,362,000 98,454,000 7,228,000 -130,895,000 -12,707,000 16,206,000 266,173,000 43,596,000 -35,763,000 207,123,000 131,617,000 134,719,000 98,393,000 101,983,000 3,855,000 27,926,000 164,238,000 53,840,000 109,858,000 70,484,000 42,798,000 176,005,000 150,248,000 -148,000 -6,094,000 6,000 435,000 711,000 203,000 7,190,000 718,000 6,827,000 -26,573,000 6,208,000 6,699,000 233,000 
          net increase in cash, cash equivalents, and restricted cash
        217,714,000 86,998,000 -198,458,000 192,832,000 476,814,000 -251,740,000 -53,000,000 -86,238,000 46,888,000 -292,365,000 -177,023,000 -58,631,000   -50,848,000 -85,594,000 -159,677,000 -337,326,000 87,439,000 -22,653,000 -141,333,000 844,997,000                                     
          cash, cash equivalents, and restricted cash at beginning of period
        565,225,000 984,611,000 1,465,742,000 1,428,907,000 1,861,124,000                                       
          cash, cash equivalents, and restricted cash at end of period
        217,714,000 86,998,000 -198,458,000 758,057,000 476,814,000 -251,740,000 -53,000,000 898,373,000 46,888,000 -292,365,000 -177,023,000 1,407,111,000 416,914,000 -243,637,000 -50,848,000 1,343,313,000 -159,677,000 -337,326,000 87,439,000 1,838,471,000 -141,333,000 844,997,000                                     
          supplemental disclosures
                                                                  
          cash payments for:
                                                                  
          interest, net of capitalized interest
        29,730,000 39,059,000 16,994,000 4,854,000 50,060,000 42,456,000 43,774,000 39,897,000 36,651,000 32,263,000 37,467,000 31,999,000 27,652,000 25,310,000 28,700,000 25,781,000 29,696,000 26,115,000 39,483,000 40,206,000  18,487,000 19,934,000 17,702,000 20,414,000 18,561,000 22,112,000 19,167,000 29,146,000 19,208,000 8,200,000 8,569,000 15,361,000 5,672,000 12,926,000 3,943,000 13,938,000 4,221,000 18,374,000 3,430,000                   
          income taxes paid
        205,000 212,000 1,296,000 116,000 -3,836,000 334,000 7,043,000 7,000 -130,000 -33,921,000 731,000 466,000   579,000 303,000 -3,917,000 104,000 408,000 -109,056,000  972,000 -18,134,000 -1,497,000                                   
          cash paid for amounts included in the measurement of lease liabilities:
                                                                  
          operating cash flows for operating leases
        85,436,000 95,276,000 147,983,000 48,619,000 144,171,000 138,550,000 128,754,000 121,024,000 111,534,000 103,240,000 96,418,000 89,807,000 83,524,000 74,536,000 70,319,000 67,089,000 63,987,000 65,125,000 70,945,000 61,378,000  42,807,000 52,322,000 50,805,000 49,985,000 45,376,000 48,066,000 47,577,000                               
          financing cash flows for finance leases
        5,000 5,000 7,000 1,000 8,000 8,000 9,000 8,000 5,000 7,000 8,000 10,000 10,000 13,000 16,000 18,000 21,000 24,000 24,000 24,000  28,000 26,000 113,000 33,000 302,000 310,000 29,000                               
          non-cash transactions:
                                                                  
          capital expenditures funded by finance lease borrowings
            274,000 145,000          -50,763,000 94,879,000 1,492,000                               
          capital expenditures funded by operating lease borrowings
        225,696,000   134,723,000 446,149,000 369,473,000 361,892,000 255,323,000 375,164,000 243,382,000 202,587,000 406,419,000 171,136,000 190,341,000 129,213,000 172,056,000 243,108,000 185,424,000 82,745,000  6,813,000 35,174,000 85,787,000 380,461,000 29,939,000 31,357,000 128,191,000                               
          accretion of 8.00% senior secured notes
             1,052,000 1,053,000 1,052,000  1,052,000 1,053,000 1,052,000  261,000 260,000 261,000    434,000                                       
          the sum of cash and cash equivalents and restricted cash on the company's condensed consolidated balance sheets equals cash, cash equivalents, and restricted cash in the company's condensed consolidated statement of cash flows.
                                                                  
          fair value adjustments
           160,000                                                       
          deferred income tax benefit
           -103,000 -22,007,000 -24,863,000 3,660,000 -15,005,000 -52,362,000 -45,879,000 16,853,000 -37,851,000 -71,073,000                                   410,000           
          fixed asset impairment charges
                                                                  
          debt issuance and refinancing costs
                                                                  
          pre-delivery deposit payments on flight equipment
                                                                  
          debt issuance costs
                -2,472,000 -555,000  -1,200,000    -2,444,000    -3,695,000 -2,295,000 -215,000 -399,000 -4,081,000 -1,340,000 -1,743,000 -201,000 -7,844,000 -1,732,000 -1,890,000 -2,274,000 -73,000 -34,000 -1,100,000 -9,423,000 -1,693,000 -2,976,000             
          adjustments to reconcile net loss to net cash from operations:
                                                                  
          pre-delivery deposits on flight equipment, net of refunds
               30,403,000 21,178,000 17,112,000 10,309,000 -25,443,000 7,138,000 -8,269,000 -1,509,000 -5,858,000 -2,581,000 -35,563,000 -28,470,000 -52,738,000 10,133,000 -30,309,000 -123,044,000 67,098,000 -93,374,000 -37,913,000 -37,913,000                               
          loss on extinguishment of debt
                                                                
          prepaid income taxes
                        145,000 63,000 251,000 -303,000     -531,000        1,438,000 -752,000 -846,000 6,060,000 -3,226,000 -2,834,000 72,278,000                   
          adjustments to reconcile net loss to net cash provided (used) by operations:
                                                                  
          net cash provided (used) by operating activities
                  -10,065,000 140,777,000 -56,764,000    -68,151,000 -207,077,000   -95,889,000 -82,426,000                                     
          net cash provided (used) in investing activities
                  -54,459,000 -67,566,000                                               
          net cash provided (used) by financing activities
                  -112,499,000 -131,842,000     -2,527,000 -45,826,000 -128,512,000 -111,795,000 -4,258,000                                      
          net loss
                    -270,664,000 -36,377,000 -52,406,000 -194,703,000  14,774,000                                         
          proceeds from stock options exercised
                            23,000 16,000   46,000 3,000 2,000 16,000   4,000 88,000 9,000 8,000 15,000 34,000              
          debt and equity issuance costs
                            -395,000                                      
          mark to market adjustments on derivative liability
                                                                  
          aircraft maintenance deposits
                     387,000 9,713,000 -844,000 9,888,000 36,982,000 3,861,000 1,755,000 -1,312,000 13,790,000 12,584,000 -1,330,000 37,408,000 -8,741,000 -3,655,000 -2,559,000 3,476,000 -679,000 -3,622,000 14,844,000 -9,508,000 -10,482,000 -5,166,000 -12,774,000 -7,570,000 -8,578,000 -17,410,000 -12,311,000                   
          long-term deposits and other assets
                     -9,092,000 4,622,000 -35,339,000 3,864,000 -2,725,000 -10,768,000 4,998,000   -16,051,000 -666,000    20,735,000 957,000 -8,763,000 -509,000 3,512,000 30,819,000 -36,722,000 -23,633,000 -21,267,000 -32,528,000 -21,197,000 -13,560,000 -8,495,000 -59,319,000 -33,364,000 -4,770,000 -6,160,000 -11,933,000 -9,429,000 -11,329,000 -15,691,000           
          proceeds from issuance of warrants
                           2,146,000                                       
          net cash used by financing activities
                     -43,268,000 -52,631,000 -47,520,000                                           
          net decrease in cash, cash equivalents, and restricted cash
                                                                  
          income taxes received
                                                                  
          deferred salaries, wages and benefits
                                                                  
          the sum of cash and cash equivalents and restricted cash on the company's condensed consolidated balance sheets equals cash, cash equivalents, and restricted cash in our statement of cash flows.
                                                                  
          amortization of deferred gains, losses and debt issuance costs
                       3,421,000 3,227,000 3,273,000     2,527,000 2,106,000                                   
          long-term debt and equity issuance costs
                        -29,000                                         
          accretion of 8.00% senior secured notes and convertible debt
                         259,000                                         
          the sum of cash and cash equivalents and restricted cash on our condensed consolidated balance sheets equals cash, cash equivalents, and restricted cash in our statement of cash flows.
                                                                  
          special charges, non-operating
                                    1,744,000 79,412,000 9,201,000                           
          cash and cash equivalents at beginning of period
                            978,957,000 1,004,733,000 800,849,000 700,900,000 803,632,000 632,784,000 530,631,000 416,816,000 343,328,000 
          accretion of convertible debt
                                                                  
          the sum of cash and cash equivalents and restricted cash on our condensed balance sheets equals cash, cash equivalents, and restricted cash in our statement of cash flows.
                                                                  
          net increase in cash and cash equivalents
                               -190,732,000   -11,342,000 117,406,000 231,023,000 -38,652,000 -86,095,000 97,608,000 -62,831,000 -5,473,000 51,043,000 117,210,000 -125,004,000 -188,176,000 111,271,000 99,177,000 54,736,000 -20,428,000 27,697,000 108,843,000 44,310,000 21,235,000 23,250,000 13,358,000 -9,564,000 15,290,000 41,421,000 66,668,000 17,673,000 -15,834,000 -5,854,000 77,503,000 -7,645,000 102,515,000 
          cash and cash equivalents at end of period
                               788,225,000 43,279,000 -175,119,000 -11,342,000 1,122,139,000 231,023,000 -38,652,000 -86,095,000 898,457,000 -62,831,000 -5,473,000 51,043,000 818,110,000 -125,004,000 -188,176,000 111,271,000 902,809,000 54,736,000 -20,428,000 27,697,000 741,627,000 44,310,000 21,235,000 23,250,000 543,989,000 -9,564,000 15,290,000 41,421,000 483,484,000 17,673,000 -15,834,000 -5,854,000 420,831,000 -7,645,000 102,515,000 
          lease termination costs
                                        7,853,000 4,776,000                       
          other assets
                                 -34,686,000                                 
          proceeds from the maturity of available-for-sale investment securities
                                 35,800,000 30,510,000 26,085,000 23,813,000 26,170,000 42,460,000 30,504,000 10,025,000 28,024,000 43,638,000 24,219,000                       
          net decrease in cash and cash equivalents
                                                                  
          income taxes paid, net of refunds
                                 894,000 6,578,000 816,000 -76,855,000 96,000 2,591,000 679,000 1,474,000 12,000 1,459,000 2,881,000 12,590,000 17,973,000 28,016,000 -64,158,000                   
          amortization of deferred gains and losses and debt issuance costs
                                  2,076,000 2,289,000 2,311,000 1,956,000 2,928,000 1,624,000 1,529,000 1,654,000 1,410,000 3,351,000                       
          operating cash flows for finance leases
                                  1,247,000 210,000                               
          stock-based compensation
                                    2,728,000 2,912,000 2,306,000 3,075,000                           
          payments on capital lease obligations
                                    -154,000 -163,000                -411,000             
          excess tax (deficiency) benefit from equity-based compensation
                                                                  
          capital expenditures funded by capital lease borrowings
                                    -672,000 236,727,000 -237,042,000 -1,240,000 -130,000                       
          pre-delivery deposits for flight equipment, net of refunds
                                     -40,092,000 -50,625,000 -41,580,000 -27,775,000 -42,345,000 -34,605,000 -44,752,000 -64,687,000 -48,488,000 -10,414,000 -50,358,000 -54,665,000 -16,687,000 -20,583,000 -50,388,000 153,000 -21,946,000 -20,808,000 -73,201,000 -28,960,000 -21,580,000 -4,621,000 -15,127,000 -5,809,000 -11,555,000 3,294,000 1,444,000   
          payments on debt and capital lease obligations
                                       -18,847,000 -39,095,000 -13,544,000 -39,864,000 -10,235,000 -34,758,000 -9,998,000 -9,916,000 -9,749,000 -9,755,000 -7,669,000 -5,972,000 -2,968,000               
          unrealized losses on open derivative contracts
                                                                  
          proceeds from sale leaseback transactions
                                                           6,900,000 113,000 6,800,000 5,627,000   
          equity-based compensation
                                         2,052,000 1,855,000 2,816,000 1,602,000 1,598,000 2,115,000 1,790,000 2,223,000 2,256,000 2,758,000 1,985,000 2,482,000 2,443,000 1,325,000 2,547,000           
          purchase of short-term investment securities
                                                                  
          proceeds from the maturity of short-term investment securities
                                                                  
          payments to pre-ipo shareholders pursuant to tax receivable agreement
                                                              
          amortization of deferred gains and losses
                                             1,027,000 842,000 1,968,000 435,000 333,000 233,000 164,000  -50,000 -89,000 -89,000           
          lease termination cost
                                             7,355,000 8,052,000 16,202,000                   
          purchase of investment securities
                                                                  
          proceeds from sale and leaseback transactions
                                                              
          excess tax benefit (deficiency) from equity-based compensation
                                             14,000 267,000 -778,000                   
          excess tax benefits from equity-based compensation
                                                32,000 314,000 627,000 7,877,000 181,000 465,000 637,000 588,000           
          interest
                                                3,210,000 2,093,000 1,747,000 11,000  72,000   3,000 9,000 8,000 9,000       
          liability and equity related to tax receivable agreement
                                                                  
          unrealized losses on open fuel derivative contracts
                                                 -2,018,000 474,000 3,783,000               
          prepaid maintenance reserves
                                                 -12,867,000 7,696,000 -12,317,000 -2,970,000 -14,669,000 375,000 -14,661,000           
          taxes
                                                 40,937,000 44,315,000 9,883,000 220,000 36,791,000 48,875,000 3,218,000 24,763,000 16,136,000 43,874,000 932,000       
          deferred income tax
                                                    34,513,000             
          gain on slot sale
                                                                  
          proceeds from sale of slots
                                                                 
          unrealized losses on open fuel hedge contracts
                                                                  
          proceeds from options exercised
                                                      24,000 39,000 177,000 120,000 106,000 449,000       
          changes in fair value of open fuel hedge contracts
                                                                  
          non-cash restructuring credit charges
                                                                  
          equity based stock compensation
                                                                  
          interest and dividends incurred but not paid
                                                                  
          restricted cash
                                                                  
          proceeds from issuance of common stock, net of offering expenses
                                                                -419,000 233,000 
          payments on debt
                                                                 
          excess tax benefits from share-based compensation
                                                        292,000 760,000 713,000 162,000 632,000 641,000 825,000   
          exchange of notes due to related parties for common stock
                                                                
          exchange of mandatorily redeemable preferred stock for common stock
                                                                
          proceeds from issuance of common stock, net offering expenses
                                                                  
          proceeds from exercise of stock options
                                                                  
          proceeds from issuance of common stock
                                                              90,000 213,000   
          repurchase of restricted common stock
                                                             -80,000 -399,000 -457,000  
          interest paid
                                                             10,000 275,000 12,000 7,947,000 
          taxes paid
                                                             17,531,000 20,333,000 1,486,000 1,098,000 192,000 
          non-cash transactions
                                                                  
          liability and offsetting reduction to equity recorded related to tax receivable agreement
                                                                  
          proceeds from sale of property, equipment and slots
                                                                  
          gain on debt extinguishment
                                                                  
          proceeds from issuance of debt
                                                                  
          pre-delivery deposits for flight equipment
                                                                 -7,103,000 
          capital expenditures
        -9,857,000 -11,926,000 -9,927,000 -4,154,000 -19,201,000 -31,203,000 3,787,000 -64,338,000 -44,480,000      -58,931,000 -47,340,000    -39,437,000    -195,371,000 -78,041,000 40,306,000 -91,593,000 -63,109,000 -186,385,000 -97,357,000 -86,008,000 -237,221,000 -200,820,000 -158,542,000 -157,254,000 -112,265,000 -93,667,000 -144,280,000 -143,346,000 -159,829,000 -97,001,000 -143,636,000 -123,554,000 -184,609,000 -160,308,000 -18,831,000 -3,344,000 -4,086,000 -2,784,000 -3,212,000 -3,228,000 -10,588,000 -2,060,000 -2,493,000 -9,395,000 -9,823,000 -4,520,000 
          free cash flows
        -60,684,000 -418,039,000 -248,994,000 -14,746,000 -142,996,000 -395,502,000 -129,231,000 -201,313,000 -227,255,000      8,291,000 -27,795,000    147,211,000    -160,789,000 -27,217,000 57,679,000 44,280,000 142,042,000 11,580,000 -39,847,000 -6,155,000 -66,086,000 -162,052,000 -95,800,000 -7,686,000 61,897,000 -60,030,000 -65,060,000 -40,624,000 98,270,000 9,702,000 -74,225,000 5,482,000 -16,774,000 -106,091,000 43,329,000 50,152,000 86,553,000 18,961,000 36,159,000 45,839,000 74,605,000 22,764,000 -11,106,000 8,351,000 69,851,000 17,190,000 111,586,000 
          liability and equity recorded upon effectiveness of tax receivable agreement