One of Southwest Airlines' main hubs is located at Baltimore/Washington International Thurgood Marshall Airport (BWI), namely in **Concourses A and B**. Southwest Airlines BWI Terminal Passengers can enjoy a range of services at these concourses, such as free Wi-Fi, dining options, retail, and charging stations. With quick and simple check-in procedures, roomy seating sections, convenient access to baggage claim, and ground transportation, Southwest provides a flawless travel experience. The airline serves a wide range of domestic destinations from BWI in addition to a few foreign ones, making it an easy-to-use hub for both business and pleasure passengers.