Flying Southwest Airlines from Chicago? The MDW Southwest Terminal, located in Concourse A, is the primary hub for all Southwest Airlines Terminal Midway operations. If you're wondering what terminal is Southwest at Midway Airport, it's easy to find and well-equipped for a smooth travel experience. The Southwest Terminal Midway features streamlined check-in, efficient security, and a ... https://airlinesterminaloffice.com/southwest-airlines/southwest-airlines-mdw-terminal-chicago-midway-international-airport/