The Company leases assets including aircraft, office facilities, office equipment, certain airport and terminal facilities, and other space. These commitments have remaining non-cancelable lease terms, which range from 2022 to 2048. Refer to Note 8 for more information on the Company's lease agreements.

The Company's contractual purchase commitments consist primarily of aircraft and engine acquisitions. The total future commitments are as follows:


(in thousands)	As of December 31, 2021
2022	224,587
2023	632,072
2024	765,758
2025	305,068
Total purchase commitments	$	1,927,485

As of December 31, 2021, the Company had entered into purchase agreements for 51 aircraft which are expected to deliver between 2022 through 2025.

The Company is party to collective bargaining agreements with the employee groups listed below. As of December 31, 2021, the percentage of full-time equivalent employees for these pay groups were as follows:


	As of December 31, 2021
Flight Attendants	24.4	%
Pilots	33.5
Maintenance Technicians	12.2
Flight Dispatchers	0.9
Total	71.0	%

See Item I - Business, for further discussion on the status of each group which has elected union representation.

The Company is subject to certain other legal and administrative actions it considers routine to its business activities. The Company believes the ultimate outcome of any pending legal or administrative matters will not have a material adverse impact on its financial position, liquidity or results of operations.