Allegiant Air (usually shortened to Allegiant and stylized as allegiant) is an American discount airline that operates scheduled and charter flights. As a major air carrier, it is the ninth-largest commercial airline in the US. It is wholly owned by Allegiant Travel Company, a publicly traded company with 4,000 employees and over US$2.6 billion market capitalization. The corporate headquarters are in Summerlin, Nevada, a suburb of Las Vegas.
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