Mesa Air Group, Inc., through its subsidiaries, provides scheduled passenger and airfreight services. The company carries passengers, as well as freight and express packages on its passenger flights. It also has interlined small cargo freight agreements with various other carriers. In addition, the company contracts with the U.S. Postal Service for carriage of mail to the cities it serves. Further, it occasionally operates charter flights. As of September 30, 2008, the company operated a fleet of 159 aircraft with approximately 800 daily departures to 124 cities in the United states, the District of Columbia, Canada, and Mexico. Mesa Air Group was founded in 1980 and is headquartered in Phoenix, Arizona.