Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of future aircraft purchase commitments

Our future aircraft purchase commitments totaled approximately $15.2 billion at June 30, 2021. Also, as of June 30, 2021, we had commitments under leases that had not yet commenced of $719 million. These leases will commence between 2021 and 2024 with lease terms ranging from 7 to 12 years.

Aircraft purchase commitments
(in millions)	Total
Six months ending December 31, 2021	$	980
2022	3,350
2023	2,890
2024	3,060
2025	2,660
Thereafter	2,220
Total	$	15,160

Our future aircraft purchase commitments included the following aircraft at June 30, 2021:

Aircraft purchase commitments by fleet type
Aircraft Type	Purchase Commitments
A220-100	4
A220-300	41
A321-200	7
A321-200neo	125
A330-900neo	26
A350-900(1)	27
B737-900ER	29
Total	259

(1)Includes seven A350-900 lease commitments in 2021 incremental to our order book with Airbus.