Southwest Airlines ONT Terminal has a variety of services, including self-service kiosks and manned counters for rapid check-in. Travelers can find a choice of culinary options, retail establishments, and free Wi-Fi throughout the airport. Charging stations are widely accessible to keep gadgets charged. The terminal also provides quick security screening, which ensures a smooth travel. Terminal 4 at ONT is an ideal gateway for Southwest Airlines customers, providing contemporary amenities and pleasant seating spaces that improve their entire travel experience.