Mesaba Aviation, Inc. Releases July Performance Data

MEMPHIS, TN–(Marketwire – August 13, 2010) –  Pinnacle Airlines Corp. (NASDAQ: PNCL) today released capacity and operational results for its Mesaba Aviation, Inc. subsidiary for July 2010.

Mesaba reports its total Passengers, Revenue Passenger Miles (RPMs), and Load Factor each month, even though fluctuations do not affect revenues received under capacity purchase agreements with Delta Air Lines, its mainline partner.

The average length of a Mesaba flight was 527 statute miles compared to 473 statute miles in July 2009.

About Pinnacle Airlines Corp.

Pinnacle Airlines Corp. (NASDAQ: PNCL), an airline holding company, is the parent company of Pinnacle Airlines, Inc.; Colgan Air, Inc.; and Mesaba Aviation, Inc. Pinnacle Airlines, Inc. operates a fleet of 142 regional jets as Delta Connection in the United States, Canada, the Bahamas, Mexico, U.S. Virgin Islands, and Turks and Caicos Islands. Colgan Air, Inc. operates a fleet of 48 regional turboprops as Continental Connection, United Express and US Airways Express in the eastern United States and Canada, Texas and Louisiana. Mesaba Aviation, Inc. operates a fleet of 60 regional jets and 32 jet-prop aircraft as Delta Connection in the United States and Canada. Pinnacle Airlines Corp. operating subsidiaries fly 282 aircraft on more than 1,650 daily flights to 182 cities and towns in North America. The corporate headquarters is located in Memphis, Tenn. Airport hub operations are located in Atlanta, Boston, Detroit, Newark, Washington Dulles, Houston, Memphis, Minneapolis and Salt Lake City. Visit www.pncl.com for more information.