The Most Hated U.S. Airline Is Also the Most Profitable

Tampa resident Kristy Simon waits in line to check into a Spirit Airlines flight Photograph by Edmund D. Fountain/ZUMA Press/Corbis

Spirit Airlines inspires a special kind of wrath among the American traveling public: It’s the industry leader in customer complaints by a wide margin. Over the last five years, Spirit’s rate of complaints to the Department of Transportation was three times higher than other U.S. airlines, according to a report (PDF) released today by the U.S. Public Interest Research Group Education Fund.

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