Accrued Liabilities (Tables)

3 Months Ended

Mar. 31, 2014

Payables and Accruals [Abstract]

Accrued liabilities included in other current liabilities

Other current liabilities as of March 31, 2014 and December 31, 2013 consist of the following:

	March 31, 2014		December 31, 2013
	(in thousands)
Federal excise and other passenger taxes and fees payable	$	37,101	$	26,979
Aircraft maintenance	27,324		36,165
Salaries and wages	24,962		26,174
Federal and state income tax payable	18,859		794
Airport expenses	16,515		17,109
Fuel	10,887		13,819
Aircraft and facility rent	8,449		7,993
Other	17,075		16,229
Other current liabilities	$	161,172	$	145,262