Mesa Air Group, Inc. operates as the holding company for Mesa Airlines, Inc., which provides regional air carrier services under capacity purchase agreements with the American Airlines and the United Airlines. As of December 31, 2019, it operated a fleet of 145 aircraft with approximately 742 daily departures to 144 cities in the United States, Canada, Mexico, Cuba, and the Bahamas. The company was founded in 1982 and is headquartered in Phoenix, Arizona.