Atlantic Southeast Airlines, or ASA for short, is a subsidiary of Delta Air Lines, and operates out of Atlanta, Georgia's William B. Hartsfield International Airport and Dallas/Fort Worth International Airport, which is located between Dallas, Texas and Fort Worth, Texas, under the name Delta Connection. They operate the Super ATR, the Bombardier Canadair Regional Jet 200, the Bombardier Canadair Regional Jet 700, and the Embraer EMB-120. The last aircraft is being phased out of the ASA fleet. They operate to destinations in the United States, Canada, and Mexico.