Consolidated Statements Of Operations - USD ($)	2 Months Ended	10 Months Ended	12 Months Ended
	Mar. 12, 2025	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating revenues:
Total operating revenues	$ 755,354,000	$ 3,041,393,000	$ 4,913,421,000	$ 5,362,549,000
Operating expenses:
Salaries, wages and benefits	308,585,000	1,132,622,000	1,689,083,000	1,616,803,000
Aircraft fuel	219,922,000	779,027,000	1,479,203,000	1,821,165,000
Aircraft rent	120,183,000	428,332,000	541,909,000	381,239,000
Landing fees and other rents	87,001,000	304,483,000	451,008,000	408,262,000
Depreciation and amortization	54,853,000	190,244,000	325,273,000	320,872,000
Maintenance, materials and repairs	47,498,000	159,599,000	217,738,000	223,339,000
Distribution	39,461,000	133,511,000	197,197,000	190,891,000
Special charges (credits)	0	(30,004,000)	36,029,000	69,537,000
Loss (gain) on disposal of assets	11,655,000	(109,096,000)	273,871,000	33,966,000
Other operating	153,395,000	534,186,000	807,488,000	792,232,000
Total operating expenses	1,042,553,000	3,522,904,000	6,018,799,000	5,858,306,000
Operating income (loss)	(287,199,000)	(481,511,000)	(1,105,378,000)	(495,757,000)
Other (income) expense:
Interest expense	47,682,000	160,847,000	219,094,000	169,191,000
Loss (gain) on extinguishment of debt	(87,000)	2,728,000	(14,937,000)	(15,411,000)
Capitalized interest	(956,000)	(1,245,000)	(18,087,000)	(33,360,000)
Interest income	(8,873,000)	(23,396,000)	(48,324,000)	(61,647,000)
Other (income) expense	902,000	748,000	(65,694,000)	4,065,000
Special charges (credits), non-operating	5,511,000	28,991,000	15,493,000	0
Reorganization (gain) expense	(421,464,000)	2,190,726,000	96,780,000	0
Total other (income) expense	(377,285,000)	2,359,399,000	184,325,000	62,838,000
Income (loss) before income taxes	90,086,000	(2,840,910,000)	(1,289,703,000)	(558,595,000)
Total income tax expense (benefit)	17,870,000	(8,241,000)	(60,208,000)	(111,131,000)
Net income (loss)	$ 72,216,000	$ (2,832,669,000)	$ (1,229,495,000)	$ (447,464,000)
Basic earnings (loss) per share ( in dollars per share)	$ 0.66	$ (76.51)	$ (11.23)	$ (4.10)
Diluted earnings (loss) per share ( in dollars per share)	$ 0.66	$ (76.51)	$ (11.23)	$ (4.10)
Passenger
Operating revenues:
Total operating revenues	$ 740,610,000	$ 2,979,281,000	$ 4,811,752,000	$ 5,268,161,000
Other
Operating revenues:
Total operating revenues	$ 14,744,000	$ 62,112,000	$ 101,669,000	$ 94,388,000