Southwest Airlines ONT Terminal+1-888-839-0502

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Southern California's Ontario International Airport (ONT) Terminal 4 is home to Southwest Airlines. Both business and leisure travelers can enjoy a simplified travel experience at Southwest Airlines ONT Terminal which is well-known for its effectiveness, welcoming staff, and handy location. When travelers arrive at the airport, they may quickly reach Southwest's check-in desks, which are close to Terminal 4's entrance. In order to enable time for check-in and security screening, travelers are advised to arrive at least 90 minutes prior to domestic departures. Bag drop stations and self-service kiosks expedite the process, and Southwest's reowned amiable employees are on hand to help as needed. Passengers enter a pristine, contemporary concourse with a variety of services after passing through the TSA security checkpoint.