American Airlines Group-subsidiary PSA Airlines anticipates its first Bombardier CRJ900 aircraft on 21 May, nearly two weeks earlier than previously planned.
PSA's first CRJ900 on the ground at Montreal Mirabel International airport
In March, the Dayton-based regional carrier disclosed that it expected the first 76-seat aircraft on or around 2 June.
PSA will take delivery of two to three CRJ900s a month for a total of 30 by June 2015. It will operate the aircraft for American.
Fort Worth, Texas-based American has not disclosed when the aircraft will enter service or where it will fly initially.
Bombardier was not immediately available for comment.