Mesa Air Group, Inc. operates as the holding company for Mesa Airlines, Inc. that provides regional air carrier scheduled passenger services under capacity purchase agreements with the American Airlines, Inc. and the United Airlines, Inc. The company offers scheduled flight and cargo services.

It also engages in the leasing of aircrafts and engine types to third parties. As of September 30, 2022, it operated a fleet of 158 aircraft with approximately 306 daily departures to 107 cities in the United States and Mexico.

Mesa Air Group, Inc. was founded in 1982 and is headquartered in Phoenix, Arizona.