Which US city has an airport named for a US preident and is served by Shuttle America?
Shuttle America:  Shuttle America also operated two of three Delta Shuttle East Coast routes, serving Washington, D.C. and Chicago from New York-LaGuardia. Ronald Reagan Washington National Airport: Ronald Reagan Washington National Airport (IATA: DCA, ICAO: KDCA, FAA LID: DCA) is an international airport 3 mi south of downtown Washington, D.C. in Arlington County, Virginia, United States.
Washington, D.C.