Southwest Airlines is based out of St. Louis Lambert International Airport's Terminal. With convenient access to check-in desks, self-service kiosks, Southwest Airlines STL Terminal and TSA PreCheck lanes, Southwest, which is well-known for its prompt service and welcoming environment, provides passengers with a seamless travel experience at Terminal 2. Southwest passengers can take advantage of a number of facilities in this terminal, such as eateries, retail stores, and cozy seating areas close to the gates. Employees at Southwest are on hand to help with luggage services, flight reservations, and any other travel-related need. It is advised that passengers arrive at least 90 minutes before to domestic flights and a little sooner during peak travel times to guarantee a stress-free trip.