US Airways Express - PSA Airlines PSA Airlines, Inc. is an American regional airline headquartered at Dayton International Airport in Vandalia, Ohio, that flies under the American Eagle brand for American Airlines. PSA is a wholly owned subsidiary of American Airlines Group. PSA has crew bases in Washington, D.C.; Knoxville, Tennessee; Charlotte, North Carolina; Cincinnati, Ohio; and Dayton, Ohio. It has maintenance bases in Charlotte, North Carolina; Cincinnati, Ohio; Dayton, Ohio; Greer, South Carolina, and at the Akron–Canton Airport in Green, Ohio.
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