Southwest Airlines at Ontario International Airport (ONT) provides a pleasant and fast travel experience via Terminal 4, which is noted for its streamlined layout and simplicity of navigation. Southwest Airlines Ontario Airport Terminal features dedicated Southwest ticket counters as well as multiple self-service kiosks for speedy check-in and luggage drop, letting travelers to spend less time in queue. When passengers enter Terminal 4, they will notice TSA security checkpoints that are often less congested than those at other airports such as LAX, which will help them get through security faster. Once passed security, the terminal provides a range of dining options, cafes, and retail shops, allowing passengers to purchase everything from convenience meals to full-service restaurants and travel necessities.