Spirit Airlines, Inc. (NASDAQ: SAVE) is an American ultra-low-cost carrier, headquartered in Miramar, Florida. Spirit operates scheduled flights throughout the United States and in the Caribbean, Mexico, Latin America, and South America. Spirits two major hubs are in Fort Lauderdale, Florida, and Detroit, Michigan. Major focus cities include Dallas–Fort Worth, Las Vegas, Chicago, Houston, Atlantic City, and Myrtle Beach. The company initially started as Clipper Trucking Company in 1964. The company changed its name to Ground Air Transfer, Inc., in 1974. The airline service was founded in 1980 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 equipment 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. On April 2, 1993, Spirit Airlines began scheduled service to Orlando, Fort Lauderdale, and St. Petersburg, Florida. Flights between Atlantic City and Fort Myers, Florida, began on September 25, 1993. Service at Philadelphia began in 1994. During the next five years, Spirit expanded further, increasing service from Detroit and adding service in new markets such as Myrtle Beach, Los Angeles, and New York City.