Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating revenues:
Total operating revenues	$ 1,366,643	$ 859,309	$ 2,333,958	$ 1,320,588
Operating expenses:
Salaries, wages and benefits	308,634	257,236	614,524	502,928
Aircraft fuel	558,633	214,825	927,218	357,755
Landing fees and other rents	92,021	81,497	174,957	153,605
Depreciation and amortization	76,469	73,703	152,660	148,015
Aircraft rent	68,632	64,641	134,676	119,423
Maintenance, materials and repairs	45,407	39,639	90,922	69,542
Distribution	48,724	35,263	84,075	58,905
Loss on disposal of assets	10,636	189	22,188	1,306
Special charges (credits)	18,004	(115,002)	33,567	(291,940)
Other operating	184,813	114,107	355,969	210,368
Total operating expenses	1,411,973	766,098	2,590,756	1,329,907
Operating income (loss)	(45,330)	93,211	(256,798)	(9,319)
Other (income) expense:
Interest expense	30,124	39,662	68,004	84,468
Loss on extinguishment of debt	0	331,630	0	331,630
Capitalized interest	(5,677)	(4,631)	(10,939)	(9,363)
Interest income	(2,561)	(373)	(3,028)	(4,744)
Other (income) expense	296	233	713	181
Total other (income) expense	22,182	366,521	54,750	402,172
Income (loss) before income taxes	(67,512)	(273,310)	(311,548)	(411,491)
Provision (benefit) for income taxes	(15,106)	14,553	(64,439)	(11,307)
Net loss	$ (52,406)	$ (287,863)	$ (247,109)	$ (400,184)
Basic loss per share (in dollars per share)	$ (0.48)	$ (2.73)	$ (2.27)	$ (3.94)
Diluted loss per share (in dollars per share)	$ (0.48)	$ (2.73)	$ (2.27)	$ (3.94)
Passenger
Operating revenues:
Total operating revenues	$ 1,347,871	$ 846,507	$ 2,297,615	$ 1,296,842
Other
Operating revenues:
Total operating revenues	$ 18,772	$ 12,802	$ 36,343	$ 23,746