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Mesa also intends restructure its inventory management and engine-overhaul agreements, as well as reach a timelier conclusion in its litigation against Delta Air Lines. The airline is suing Atlanta-based Delta for $70 million over a canceled contract.

Airlines have faced a severe drop in demand in the past 18 months as the recession took its toll on business travel. Large carriers have reduced their reliance on regional carriers that feed into the large airport hubs in order to cut costs.

Mesa operates as Delta Connection, US Airways Express and United Express under contractual agreements with Delta Air Lines, US Airways and United parent UAL Corp. It also operated independently as Mesa Airlines and go! Mokulele.

In a separate release, Hawaii-based go! Mokulele said it was not included in Mesa's Chapter 11 proceedings. The carrier is a joint venture between Mesa and Republic Airways Holdings Inc.

Mesa has about 700 daily departures to 127 cities in North America.

"Customers can be assured that tickets will continue to be sold and honored, all terms and conditions governing tickets purchased remain the same, and our frequent flyer program remains intact," Ornstein said.