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"This codeshare agreement marks a very positive step in Frontier's development and we are pleased to team up with Mesa," said Chief Executive Officer Sam Addoms. "This agreement will augment our plans to grow Frontier at a rate of approximately 15 percent on an annual basis, and will help us bring our affordable fares to new, secondary markets."

Frontier President and Chief Operating Officer Jeff Potter added, "With Mesa as our newest codeshare partner, we will be able to offer more flight choices for business customers by supplementing additional frequencies in existing markets as well as entering new markets."

About Frontier Airlines: Denver-based Frontier Airlines is the second largest jet service carrier at Denver International Airport, serving 23 cities coast to coast with a fleet of 27 aircraft and employing approximately 2,500 aviation professionals. In June 2001, BusinessWeek ranked Frontier 14th on its list of Hot Growth Companies and in September 2001, Fortune magazine ranked Frontier 41st on its 100 Fastest Growing Companies list. Frontier provides capacity and other data and industry comparisons on its Web site, which may be viewed at www.frontierairlines.com. www.frontierairlines.com.

About Mesa Airlines: Mesa Air Group currently operates 126 aircraft with 1,100 daily system departures to 120 cities, 36 states, Canada and Mexico. It operates in the west and mid-west as America West Express, the mid-west as US Airways Express and Midwest Express and the east as US Airways Express, and in New Mexico under the independent Mesa Airlines. In addition, the company has 61 regional jets on firm order and holds options on another 184 jet aircraft. The Company, which was founded in New Mexico in 1982, has approximately 4,000 employees.

Statements contained in this press release, which are not historical facts, are forward-looking statements as that item is defined in the Private Securities Litigation Reform Act of 1995. This press release contains forward-looking statements and certain information contained in this press release involves risks and uncertainties that could result in actual results differing materially from expected results. Forward-looking statements represent the Company's expectations and beliefs concerning future events, based on information available to the Company as of the date of this press release. The Company undertakes no obligation to publicly update or revise any forward-looking statements to reflect events or circumstances that may arise after the date of this press release. Additional information regarding these and other factors may be contained in the Company's SEC filings, including without limitation, the Company's Form 10-K for its fiscal year ended March 31, 2001; the Company's Form 10-Q for the quarter ended June 30, 2001; the Company's Form 8-K filed May 7, 2001 and the Company's Form 8-K filed January 22, 2001, as amended by the Company's Form 8-K/A filed July 11, 2001.