Unaudited Condensed Consolidated Statements of Earnings (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
REVENUES	$ 193,061	$ 160,111	$ 368,188	$ 321,055
OPERATING EXPENSES
Salaries, wages and benefits	45,326	41,506	91,674	88,756
Fuel	48,640	33,852	88,316	64,458
Depreciation and amortization	23,878	21,752	46,249	42,552
Maintenance, materials and repairs	22,380	17,140	43,686	34,909
Landing and ramp	6,032	5,463	12,437	12,411
Travel	6,918	5,524	13,228	10,716
Rent	5,434	3,641	11,074	7,376
Insurance	2,394	2,154	4,744	4,992
Other operating expenses	9,258	8,672	18,550	18,578
Operating Expenses	170,260	139,704	329,958	284,748
OTHER INCOME (EXPENSE)
Interest income	33	85	99	158
Interest expense	(3,537)	(4,594)	(7,640)	(9,783)
Write-off of unamortized debt issuance costs	(16)	0	(2,886)	0
Unrealized loss on derivative instruments	376	0	(3,556)	0
Other Nonoperating Income (Expense)	(3,144)	(4,509)	(13,983)	(9,625)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	19,657	15,898	24,247	26,682
INCOME TAXES	(7,377)	(5,983)	(9,086)	(10,017)
EARNINGS FROM CONTINUING OPERATIONS	12,280	9,915	15,161	16,665
EARNINGS (LOSSES) FROM DISCONTINUED OPERATIONS, NET OF TAX	19	(233)	(98)	172
NET EARNINGS	$ 12,299	$ 9,682	$ 15,063	$ 16,837
BASIC EARNINGS PER SHARE
Continuing operations	$ 0.19	$ 0.16	$ 0.24	$ 0.27
Discontinued operations	$ 0.00	$ (0.01)	$ 0.00	$ 0.00
TOTAL NET EARNINGS PER SHARE - Basic	$ 0.19	$ 0.15	$ 0.24	$ 0.27
DILUTED EARNINGS PER SHARE
Continuing operations	$ 0.19	$ 0.15	$ 0.24	$ 0.26
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
TOTAL NET EARNINGS PER SHARE - Diluted	$ 0.19	$ 0.15	$ 0.24	$ 0.26
WEIGHTED AVERAGE SHARES
Basic	63,333	62,811	63,233	62,802
Diluted	64,172	64,421	64,055	64,013