The carrier will operate one daily round-trip flight between April 18 and June 5, 2011, at which point Frontier Airlines will increase its summer service to four daily round-trip flights.

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Republic Airways Holdings has been declared the winning bidder in the auction to acquire Frontier Airlines, beating off a late but stiff challenge from Southwest Airlines.

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Southwest Airlines is preparing a bid to acquire Denver-based Frontier Airlines, which is to be sold at auction in bankruptcy court next month.

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