About PSA Airlines . ... The routes expand to over 100 markets in the U.S., Canada and the Caribbean. This story was originally published January 29, 2025 at 7:02 PM.

PSA Airlines, a a wholly owned subsidiary of American Airlines Group, ... Philadelphia and Washington, D.C. The routes expand to over 100 markets in the U.S., Canada and the Caribbean. Show comments.

PSA Airlines, flying under the American Eagle brand, will move into a maintenance hangar at McGhee Tyson. American Airlines regional jets will come through Knoxville for more in-depth maintenance.

American Airlines is the busiest carrier at McGhee Tyson, and PSA operates popular routes from Knoxville to hubs in Charlotte, Philadelphia and Washington, D.C.