Mesa Airlines ==Operations== Mesa Airlines operates as: * American Eagle, the regional marketing brand of American Airlines. Mesa began flying routes as American Eagle in 2014 from American's hubs in Dallas/Fort Worth and Los Angeles using Bombardier CRJ900 regional jet aircraft. * United Express, a mainline airline marketing sub-brand using United Express liveried fleet of Bombardier CRJ700 and Embraer 175 aircraft under a revenue-guarantee code sharing agreement. Its hubs are at Houston Bush for the E175 aircraft and Washington Dulles for the CRJ700 aircraft.
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