bwi southwest terminal At Baltimore/Washington International Thurgood Marshall Airport (BWI), Southwest Airlines operates at Concourse A, B, C, and E. Passengers will receive an organized and efficient service at this busy hub. It offers many benefits, such as comfortable seating sections, lots of charging stations, and a variety of restaurants. As an essential part of Southwest’s network for both domestic and international flights, the [BWI Southwest terminal](https://airlineterminals.com/southwest-airlines/southwest-airlines-bwi-terminal-baltimore-washington-international-thurgood-marshall-airport/) was designed to allow efficient security checks and boarding processes. The traveler-friendly atmosphere and excellent service standards at Concourse A, B, C, E are widely known.