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Operating out of Terminal A at Washington Dulles International Airport (IAD) Southwest Airlines IAD Terminal passengers can check in at the airline's designated counters, which are conveniently located as they enter the terminal. Southwest offers a seamless flying experience by using TSA PreCheck and regular screening lines for security. The terminal has a number of facilities, such as dining options, retail stores, and cozy seating sections. Southwest has several daily departures from IAD for both local and international flights. Passengers can view real-time flight information, such as gate numbers and departure times, on the airport monitors for increased convenience. Additionally, there is free Wi-Fi available to passengers at Terminal A.