Spirit Airlines, Inc. is an American ultra-low-cost carrier headquartered in Miramar, Florida in the Miami metropolitan area. It is the eighth largest commercial airline in North America. Spirit operates scheduled flights throughout the United States and in the Caribbean and Latin America. The airline operates bases at Atlantic City, Baltimore, Chicago–O'Hare, Dallas/Fort Worth, Detroit, Fort Lauderdale, Las Vegas, and Orlando. The company's slogan is Less Money, More Go., formerly Catch the Spirit! The company initially started as Clippert Trucking Company in 1964. The company changed its name to Ground Air Transfer, Inc., in 1974. The airline service was founded in 1983 in Macomb County, Michigan, by Ned Homfeld as Charter One, a Detroit-based charter tour operator providing travel packages to entertainment destinations such as Atlantic City, Las Vegas, and the Bahamas. In 1990, Charter One began scheduled service from Boston and Providence, Rhode Island, to Atlantic City. On May 29, 1992, Charter One brought jet aircraft into the fleet and changed its name to Spirit Airlines. Scheduled flights between Detroit and Atlantic City began on June 1, 1992. Scheduled flights between Boston and Providence began on June 15, 1992.