Southwest Airlines primarily operates out of Terminal B at LaGuardia Airport. This terminal has been modernized in recent years, offering improved amenities, updated facilities, and a more comfortable environment for travelers. If you're flying with Southwest, you’ll generally check in, go through security, and board your flight from Terminal B. Understanding what terminal is Southwe... https://airportsterminalhub.com/airlines/southwest-airlines/southwest-airlines-laguardia-airport-lga-terminal/