The headquarters of the airline is at Miramar, Florida, in the Miami metropolitan region, in which is in the United States. When it comes to the biggest commercial airlines within the United States, this airline is ranked eighth. The airline is primarily serving the US as well as the Caribbean as well as Latin America. Atlantic City, Baltimore, Chicago-O'Hare, Dallas/Fort Worth, Detroit, Fort Lauderdale, Las Vegas, and Orlando are among Spirit Airlines' key hubs. The airline started operations in 1983 and currently has an aircraft fleet of 153.