Southwest Airlines BWI Terminal operates primarily out of Terminal A/B at Baltimore/Washington International Thurgood Marshall Airport (BWI). This terminal is dedicated to Southwest flights and offers a wide range of services and amenities for travelers, including dining options, retail shops, and customer service counters. Terminal A/B is known for its efficiency and traveler-friendly layout, making it easy to navigate. The terminal also features multiple security checkpoints to streamline the passenger experience. With Southwest’s extensive network of domestic flights, BWI serves as a major hub for travelers flying with the airline.