United Airlines, a leading global carrier, offers a premium travel experience from its hub at Ontario International Airport (ONT), one of the busiest and most iconic airports in the world. Whether you’re arriving, departing, or connecting through Ontario. This page provides all essential details about United Airlines ONT Terminal, including terminal information, contact details, facilities, and services to ensure a seamless journey.

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United Airlines Terminal at ONT Airport
United Airlines operates from Terminal 7 at Ontario International Airport (ONT). This terminal is equipped with modern amenities, efficient check-in services, and premium lounges for a comfortable travel experience.
United Airlines ONT Terminal Address
The United Airlines ONT Terminal Address:
1923 E Avion St, Ontario, CA 91761, American States
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How to Contact United Airlines Terminal in ONT
For assistance with bookings, baggage, or general inquiries, you can reach United Airlines at ONT via:
| United Airlines ONT Terminal | Terminal 7 |
| Airport Type | International |
| Ontario International Airport Phone Number | 1 909-937-2700 |
| Ontario International Airport Address | 1923 E Avion St, Ontario, CA 91761, American States |
| Airport Name | Ontario International Airport |
| United Airlines Contact Number | 1-800-UNITED-1 (1-800-864-8331) |
| United Airlines Baggage Recovery Center | 1-800-335-2247 |
| United Airlines Headquarters | 233 S Wacker Dr, Chicago, IL 60606 |
| Ontario International Airport Code | ONT |
| United Airlines Ticket Counter Hours | 24/7 |
| United Airlines Official Website | https://www.united.com/ |
| Official YouTube | https://www.youtube.com/united |
| Official Twitter | https://x.com/united |
| Official Facebook | https://www.facebook.com/United |
| Official Instagram | https://www.instagram.com/united |
United Airlines Terminal Ontario International Airport Departures
All United Airlines departures at ONT operate from Terminal 7, a modern facility shared with American Airlines and other oneworld alliance partners. The terminal offers:
- Check-in Options: Online check-in (24 hours before departure), self-service kiosks, and full-service counters
- Priority Services: Dedicated check-in lanes for United Polaris®, First Class, and MileagePlus® elite members
- Security: TSA PreCheck® and CLEAR® lanes available for expedited screening
- United Club Lounge: Accessible to eligible passengers, offering premium seating, refreshments, and Wi-Fi
- Dining & Shopping: Multiple restaurants, cafes, and retail stores airside
United Airlines Ontario International Airport Arrivals Terminal
United Airlines flights arrive at Terminal 7 as well. Baggage claim, customs, and ground transportation services are conveniently located on the arrivals level.
- Baggage Claim: Located on the arrivals level of Terminal 7
- Immigration & Customs: International passengers clear at ONT Terminal 7
- Ground Transportation: Taxis, rideshares (Uber/Lyft), AirTrain ONT, and rental cars available
- Connecting Flights: Follow signs for flight connections; United transfer desk available
Queries Handled at United Airlines ONT Terminal
The United Airlines ONT Terminal staff is equipped to assist with a wide range of services:
Flight Status & Schedule Updates at ONT Terminal

Passengers flying with United Airlines can easily check their flight status and schedule updates at ONT Terminal 7 through multiple convenient options. Real-time flight information is available on United’s website and mobile app, as well as on the airport display screens throughout ONT Airport. For last-minute changes or flight confirmations, travelers can visit the United customer service desk at ONT Terminal or contact the airline’s customer support team. The terminal also features automated announcements to keep passengers informed about any schedule adjustments, gate changes, or boarding updates, ensuring a smooth travel experience through ONT Airport.
Baggage Policies & Lost/Delayed Luggage Claims at ONT Airport

United Airlines provides comprehensive baggage services at ONT Terminal 7 to assist passengers with baggage policies and lost/delayed luggage claims. The Baggage Service Office, located near the arrivals area, handles all luggage-related inquiries and claims for flights arriving at ONT Airport. Travelers should retain their baggage claim tags and have their flight details ready when filing reports at ONT Terminal. Information about United’s baggage allowances, fees for excess luggage, and restricted items is available at the check-in counters in ONT Airport, with staff ready to assist with any questions about carry-on or checked baggage policies.
Check-in & Boarding Assistance at ONT Terminal

United Airlines offers multiple check-in and boarding assistance options at ONT Terminal 7 to accommodate all passengers. Travelers can choose from online check-in (available 24 hours before departure), self-service kiosks, or traditional check-in counters at ONT Airport. United Polaris®, First Class, and MileagePlus® elite members enjoy access to priority check-in lanes and boarding at ONT Terminal. For boarding assistance, United staff are available throughout ONT Airport to guide passengers with special needs, families with young children, or those requiring extra time to board, ensuring a smooth and efficient boarding process for all flights.
Special Assistance (Wheelchair, Unaccompanied Minors) at ONT Airport
United Airlines is committed to providing special assistance services at ONT Terminal 7 for passengers requiring wheelchairs or traveling as unaccompanied minors. Wheelchair services can be arranged in advance when booking or by contacting United customer service prior to arrival at ONT Airport. For unaccompanied minors, United offers a supervised travel program that includes dedicated check-in assistance, escort through security, and handover to flight attendants. Parents or guardians must complete all necessary documentation at ONT Terminal before departure and remain at the airport until the flight has departed. Staff at ONT Airport are trained to ensure all passengers requiring special assistance receive personalized care throughout their journey.
MileagePlus® Membership & Benefits at ONT Terminal

The MileagePlus® membership and benefits are fully accessible to travelers at ONT Terminal 7. Members can enjoy priority check-in, additional baggage allowances, and access to the exclusive United Club lounge at ONT Airport. New members can sign up at the check-in counters or online before their flight. MileagePlus® Silver, Gold, Platinum, and 1K members receive complimentary lounge access and priority boarding privileges at ONT Terminal. The loyalty program allows members to earn miles on all United flights from ONT Airport, which can be redeemed for upgrades, hotel stays, and car rentals. Staff at ONT Terminal are available to assist with any membership inquiries or benefit explanations.
Upgrade & Seating Inquiries at ONT Terminal or ONT Airport

Passengers with upgrade and seating inquiries can receive assistance at ONT Terminal 7 through multiple channels. United staff at the check-in counters can provide information about available upgrades using cash, miles, or PlusPoints. MileagePlus® members may inquire about complimentary upgrades (subject to availability) at ONT Airport. For specific seating requests, including extra legroom or preferred locations, travelers can make arrangements during online check-in or speak with customer service representatives at ONT Terminal. The United service desk in the departures area of ONT Airport can also assist with last-minute upgrade opportunities and seating changes before boarding, ensuring passengers have their preferred arrangements for a comfortable flight.
Facilities at United Airlines ONT Terminal
Ontario International Airport Terminal offers a host of amenities to ensure a comfortable journey:
- United Club Lounge at ONT Airport
- ONT Airport Free Wi-Fi
- ONT Airport Charging Stations
- ONT Terminal Currency Exchange Services
- Private Nursing Rooms at ONT Airport
- Pet Relief Areas in ONT Terminal
- ONT Terminal Priority Boarding
Conclusion
United Airlines ensures a smooth and comfortable travel experience at Ontario International Airport (ONT), operating from Terminal 7 with premium services. Whether departing or arriving, passengers enjoy efficient check-in, luxurious lounge access, and convenient connections. For assistance, contact United’s customer service or visit the information desk at ONT Terminal 7.
FAQs on United Airlines at Ontario International Airport (ONT)
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