CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 535,253	$ 312,799
Accounts receivable, net	69,044	50,397
Other receivables	10,112	8,205
Parts and supplies inventories, net	8,742	5,320
Prepaid expenses and other	34,106	18,801
Total current assets	657,257	395,522
Property and equipment, net	313,986	323,090
Operating lease right-of-use assets	112,372	64,479
Goodwill	437,181	400,160
Intangible assets, net	152,416	163,710
Restricted cash	2,177	12,077
Employee loans receivable, net	0	102
Other non-current assets	1,104	849
Total assets	1,676,493	1,359,989
Current liabilities:
Current maturities of long-term debt	131	62,678
Accounts payable	42,363	20,920
Accrued expenses	83,231	71,381
Deferred revenue, current	585,319	651,096
Operating lease liabilities, current	32,315	15,858
Intangible liabilities, current	2,000	2,000
Other current liabilities	14,942	15,980
Total current liabilities	760,301	839,913
Long-term debt	22	148,411
Deferred revenue, non-current	1,948	1,982
Operating lease liabilities, non-current	87,087	56,358
Warrant liability	15,948	0
Intangible liabilities, non-current	14,583	16,083
Other non-current liabilities	3,548	3,415
Total liabilities	883,437	1,066,162
Commitments and Contingencies
Equity [Abstract]
Class A common stock, $0.0001 par value; 2,500,000,000 authorized; 245,583,108 and 169,717,416 shares issued and outstanding as of September 30, 2021 and December 31, 2020, respectively	25	17
Additional paid-in capital	1,460,053	831,226
Accumulated deficit	(677,491)	(563,441)
Total Wheels Up Experience Inc. stockholders’ equity	782,587	267,802
Non-controlling interests	10,469	26,025
Total equity	793,056	293,827
Total liabilities and equity	$ 1,676,493	$ 1,359,989