Southwest Airlines offers accessible travel to and from the nation's capital by operating flights to Ronald Reagan Washington National Airport (DCA). Southwest Airlines is based out of Terminal A, which is also home to a number of low-cost airlines, if you're looking for information about the airline at DCA. Are you wondering which DCA Airport terminal Southwest Airlines is located in... https://airlinesterminaloffice.com/southwest-airlines/southwest-airlines-dca-terminal-ronald-reagan-washington-national-airport/