Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Commitments and Contingencies Disclosure [Abstract]

Future minimum lease payments under noncancelable operating leases

Future minimum lease payments under noncancelable operating leases as of June 30, 2013 and the periods in which payments are due were as follows:

	Operating Lease Obligations
	(in thousands)
Remainder of 2013	$	98,033
2014	188,853
2015	183,716
2016	173,323
2017	149,688
2018 and thereafter	529,144
Total minimum lease payments	$	1,322,757

Employee groups and status of the collective bargaining agreements

The table below sets forth our employee groups and status of the collective bargaining agreements as of June 30, 2013.

Employee Groups	Representative	Amendable Date	Percentage of Workforce
Pilots	Air Line Pilots Association, International (ALPA)	August 2015	23%
Flight Attendants	Association of Flight Attendants (AFA-CWA)	August 2007	34%
Dispatchers	Transport Workers Union (TWU)	July 2012	1%