CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Sep. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents		$ 1,343,055	$ 1,710,227
Accounts receivable	[1]	7,152	5,747
Prepaid expenses and other current assets	[1]	16,958	23,494
Total current assets		1,367,165	1,739,468
Property and equipment, net		424,561	348,540
Operating lease right-of-use assets		28,978	16,417
Aircraft components		26,348	0
Other assets		10,455	1,840
Total assets		1,857,507	2,106,265
Current liabilities:
Accounts payable		33,532	24,503
Accrued expenses		45,974	35,109
Payroll liabilities		18,383	3,334
Deferred revenue	[2]	5,481	3,704
Operating lease liabilities		2,552	1,551
Notes payable		9,988	5,711
Other current liabilities		2,877	2,483
Total current liabilities		118,787	76,395
Deferred revenue, non-current	[2]	14,595	12,550
Operating lease liabilities, non-current		29,044	16,838
Notes payable, non-current	[3]	174,025	179,799
Other liabilities		3,320	2,847
Total liabilities		339,771	288,429
Commitments and contingencies (see Note 7)
Stockholders’ equity:
Preferred stock, $0.0001 par value Authorized - 50,000,000 shares Issued and outstanding - 0 shares in 2025 and 2024		0	0
Additional paid-in capital		3,821,558	3,731,273
Accumulated deficit		(2,303,631)	(1,913,450)
Accumulated other comprehensive loss		(216)	(10)
Total stockholders’ equity		1,517,736	1,817,836
Total liabilities and stockholders’ equity		1,857,507	2,106,265
Class A Common Stock
Stockholders’ equity:
Common stock		24	22
Class B Common Stock
Stockholders’ equity:
Common stock		$ 1	$ 1

[1] Includes related party amounts of $1,168 and $2,202 (accounts receivable) and $0 and $2,802 (prepaid expenses and other current assets) as of September 30, 2026, and December 31, 2025, respectively (see Note 12).

[2] Includes related party amounts of $1,707 and $1,011 (deferred revenue) and $10,220 and $8,290 (deferred revenue, non-current) as of September 30, 2026, and December 31, 2025, respectively (see Note 12).

[3] Includes related party amounts of $33,010 and $32,626 as of September 30, 2026 and December 31, 2025, respectively (see Note 12).