Southwest Airlines DTW terminal refers to the designated terminal at Detroit Metropolitan Wayne County Airport (DTW) where Southwest Airlines operates its flights. Southwest Airlines uses Concourse A in the McNamara Terminal at DTW, which serves both domestic and international flights. Passengers traveling with Southwest Airlines will check in, go through security, and board their flights from this concourse. The terminal offers various amenities, such as dining options, retail stores, and seating areas, ensuring a comfortable experience for travelers flying with Southwest Airlines at DTW.