southwest terminal las vegas Southwest Airlines operates out of Terminal 1 at McCarran International Airport in Las Vegas. Terminal 1, also known as the Main Terminal, is the largest terminal at the airport and handles both domestic and international flights. It is conveniently located near the Las Vegas Strip and offers a range of amenities and services for passengers. Southwest Airlines has multiple gates within Terminal 1, and specific gate assignments may vary depending on the flight. Passengers flying with Southwest Airlines should check their boarding passes or consult the airport's information displays upon arrival to determine the exact gate number for their flight.