The BNA terminal of  Southwest Airlines BNA Terminal is located in Terminal B of Nashville International Airport. Southwest ticket offices or self-service kiosks are the two ways that passengers can check in. With the TSA PreCheck option for expedited processing, travelers proceed through security after checking in. Apart from retail stores for last-minute shopping, Terminal B offers a variety of dining options, such as fast food and sit-down restaurants. The lowest level of Terminal B is where you'll find the luggage claim area. Shuttle buses, taxis, ride-sharing, and rental cars are among the ground transportation options that provide easy access to Nashville and beyond from the station.