Consolidated Statements Of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating revenues:
Total operating revenues	$ 5,362,549	$ 5,068,447	$ 3,230,775
Operating expenses:
Aircraft fuel	1,821,165	1,929,969	913,945
Salaries, wages and benefits	1,616,803	1,251,225	1,065,461
Landing fees and other rents	408,262	347,268	315,999
Aircraft rent	381,239	282,428	246,601
Depreciation and amortization	320,872	313,090	297,211
Maintenance, materials and repairs	223,339	187,820	159,502
Distribution	190,891	177,557	132,499
Special charges (credits)	69,537	420,172	(377,715)
Loss on disposal of assets	33,966	46,624	3,320
Other operating	792,232	711,211	530,826
Total operating expenses	5,858,306	5,667,364	3,287,649
Operating income (loss)	(495,757)	(598,917)	(56,874)
Other (income) expense:
Interest expense	169,191	139,905	155,611
Loss (gain) on extinguishment of debt	(15,411)	0	331,630
Capitalized interest	(33,360)	(22,818)	(18,998)
Interest income	(61,647)	(20,083)	(5,374)
Other (income) expense	4,065	4,818	577
Total other (income) expense	62,838	101,822	463,446
Income (loss) before income taxes	(558,595)	(700,739)	(520,320)
Provision (benefit) for income taxes	(111,131)	(146,589)	(47,751)
Net income (loss)	$ (447,464)	$ (554,150)	$ (472,569)
Basic earnings (loss) per share ( in dollars per share)	$ (4.10)	$ (5.10)	$ (4.50)
Diluted earning (loss) per share ( in dollars per share)	$ (4.10)	$ (5.10)	$ (4.50)
Passenger
Operating revenues:
Total operating revenues	$ 5,268,161	$ 4,989,365	$ 3,175,802
Other
Operating revenues:
Total operating revenues	$ 94,388	$ 79,082	$ 54,973