Consolidated Balance Sheets - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 272,959,000	$ 902,057,000
Restricted cash	591,352,000	168,390,000
Short-term investment securities	0	118,334,000
Accounts receivable, net	129,185,000	178,955,000
Prepaid expenses and other current assets	249,355,000	278,366,000
Assets held for sale	2,973,000	463,020,000
Total current assets	1,245,824,000	2,109,122,000
Property and equipment:
Flight equipment	1,963,081,000	2,736,461,000
Other property and equipment	452,243,000	783,645,000
Less accumulated depreciation	(126,085,000)	(1,027,872,000)
Total property and equipment	2,289,239,000	2,492,234,000
Operating lease right-of-use assets	2,003,535,000	4,583,734,000
Intangible assets	83,482,000	550,000
Pre-delivery deposits on flight equipment	38,839,000	113,493,000
Deferred heavy maintenance, net	90,723,000	241,094,000
Other long-term assets	241,495,000	54,951,000
Total assets	5,993,137,000	9,595,178,000
Current liabilities:
Accounts payable	44,079,000	32,385,000
Air traffic liability	337,694,000	436,813,000
Current maturities of long-term debt, net, and finance leases	474,813,000	436,532,000
Current maturities of operating leases	0	257,796,000
Other current liabilities	427,139,000	605,839,000
Total current liabilities	1,283,725,000	1,769,365,000
Long-term debt and finance leases, less current maturities	718,888,000	1,761,215,000
Operating leases, less current maturities	0	4,335,106,000
Deferred income taxes	59,438,000	51,927,000
Deferred gains and other long-term liabilities	39,289,000	122,595,000
Liabilities subject to compromise	5,983,485,000	1,635,104,000
Shareholders’ equity (deficit):
Common stock: Common stock, $0.0001 par value, 400,000,000 and 240,000,000 shares authorized at December 31, 2025 and 2024, respectively; 28,320,815 and 111,661,332 issued and 28,320,815 and 109,525,063 outstanding as of December 31, 2025 and 2024, respectively	3,000	11,000
Additional paid-in-capital	740,978,000	1,173,692,000
Treasury stock, at cost: 0 and 2,136,269 as of December 31, 2025 and 2024, respectively	0	(81,285,000)
Retained earnings (deficit)	(2,832,669,000)	(1,172,740,000)
Accumulated other comprehensive income (loss)	0	188,000
Total shareholders’ equity (deficit)	(2,091,688,000)	(80,134,000)
Total liabilities and shareholders’ equity (deficit)	$ 5,993,137,000	$ 9,595,178,000