Allegiant Travel Company, a leisure travel company, provides travel and leisure services and products to residents of under-served cities in the United States. It operates through two segments, Airline and Sunseeker Resort. The company offers scheduled air transportation on limited-frequency, nonstop flights between under-served cities and leisure destinations. As of February 1, 2025, it operated a fleet of 119 Airbus A320 series aircraft and four Boeing 737 series aircraft.