Spirit Airlines, Inc. is an American low-cost carrier headquartered in Miramar, Florida. Spirit operates scheduled flights throughout the U.S. as well as the Caribbean, Mexico, and Latin America. Major focus cities include; Ft. Lauderdale, Dallas/Fort Worth, Detroit, Las Vegas, Chicago-O’Hare, Houston-Intercontinental, Atlantic City, and Myrtle Beach. As of February 2015, Spirit is the only 2-star airline (indicating a “poor Quality performance”) based in the United States, according to Skytrax.