The majority of Southwest Airlines' domestic flights depart from St. Louis Lambert International Airport's Terminal 2. This terminal features a simplified structure with self-service kiosks, Southwest Airlines STL Terminal ticketing booths, and speedy security checkpoints. Terminal 2 has a number of restaurants, shops, and comfortable seating areas with charging outlets. Travelers on Southwest can use TSA PreCheck to accelerate their security clearance. Terminal 2, which has good ground transit connections, offers taxis, ridesharing, and rental car services. For the best experience, it is advised to arrive early, especially during times when travel demand is strong.