NEWS RELEASE

For more information contact: Investor Relations
St. George, UT 84790
Telephone: (435) 634-3203
Fax: (435) 634-3205

FOR IMMEDIATE RELEASE: January 7, 2013 SKYWEST, INC. REPORTS COMBINED DECEMBER 2012 TRAFFIC FOR SKYWEST AIRLINES AND EXPRESSJET AIRLINES ST. GEORGE, UT, PRNewswire/ -- SkyWest, Inc. , (NASDAQ: SKYW) (" SkyWest" ) today reported that passenger boardings for December increased 5. 1 percent to 4, 784, 336 compared to

4, 552, 494 for the same period last year. SkyWest also reported a 1. 6 percent increase in revenue passenger miles (RPMs) for December, while available seat miles (ASMs) decreased 0. 5 percent compared to December 2011. The combined airlines generated 2. 4 billion RPMs for the month, while ASMs increased to 3. 0 billion. Load factor increased to 80. 1 compared to 78. 5 in December
2011. SkyWest also reported an increase of 2. 2 percent in departures to 117, 067 for December compared to 114, 513 for the same period last year.

About SkyWest

SkyWest is the holding company for two scheduled passenger airline operations and an aircraft leasing company and is headquartered in St. George, Utah. SkyWest's scheduled passenger airline operations consist of SkyWest Airlines also based in St. George, Utah and ExpressJet Airlines based in Atlanta, Georgia. SkyWest Airlines operates as United Express, Delta Connection and American Eagle carriers under contractual agreements with United Airlines, Inc. (" United" ), Delta Air Lines, Inc. (" Delta" ) and American Airlines, Inc. (" American" ). SkyWest Airlines also operates as US Airways Express under a contractual agreement with US Airways, Inc. , and operates flights for Alaska Airlines under a contractual agreement. ExpressJet Airlines operates as United Express and Delta Connection carriers under contractual agreements with United and Delta.
System-wide, SkyWest serves markets in the United States, Canada, Mexico and the Caribbean with approximately 3, 800 daily departures and a fleet of approximately 744 regional aircraft. This press release and additional information regarding SkyWest can be accessed at www. skywest. com

FLIGHT STATISTICS SkyWest, Inc. December Traffic

2012

2011

% Change

Passengers

4,784,336

4,552,494

5.1

Revenue Passenger Miles

2,441,508,282

2,404,226,526

1.6

Available Seat Miles

3,046,921,124

3,062,891,993

-0.5

Load Factor

80.1

78.5

1.6 pts

Block Hours

190,796

188,383

1.3

Departures

117,067

114,513

2.2

Calendar Year-To-Date 2012 2011 % Change

Passengers

58,803,690

55,836,271

5.3

Revenue Passenger Miles

30,088,278,246

29,109,039,290

3.4

Available Seat Miles

37,278,554,475

36,698,858,901

1.6

Load Factor

80.7

79.3

1.4 pts

Block Hours

2,297,014

2,250,280

2.1

Departures

1,435,512

1,390,523

3.2

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