Mesa Air Group, Inc., through its subsidiaries, provides scheduled passenger and airfreight services. It carries passengers, as well as freight and express packages on its passenger flights. The company also has interlined small cargo freight agreements with various other carriers. In addition, Mesa Air Group 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, 2007, the company operated a fleet of 182 aircraft with approximately 1,100 daily departures to 184 cities in the United States, the District of Columbia, Canada, the Bahamas, and Mexico. Mesa Air Group was founded in 1980 and is headquartered in Phoenix, Arizona.