Founded in the year 1979, Atlantic Southeast Airlines was headquartered at Hartsfield-Jackson Atlanta International Airport, College Park, Georgia, USA. On December 31, 2011, it merged with the ExpressJet. With its impressive fleet size of 165 aircrafts, it flied across 128 destinations. The prominent destinations comprises of Canada, Bahamas, United States and many more. Atlantis Southeast Airlines is a fully-owned subsidiary of Sky West, Inc and operated around 900 flights every day. ASA and ExpressJet received single operating certificate in November, 2011 and in December 2011 all flights of ASA were branded as ExpressJet.