United Airlines Toll-Free Number & Customer Service

United Airlines is a headquartered in United States airline offering domestic and international flights. Their customer service team is available 24/7 to assist with reservations, flight changes, baggage inquiries, refunds, and general support.

The main customer service number 1-800-864-8331 connects you directly to an agent who can handle most passenger requests. For faster service, have your booking confirmation number, frequent flyer ID, or passport ready before calling.

How to Reach United Airlines Customer Service

There are multiple ways to contact United Airlines:

• Phone: Call the toll-free number listed above for direct agent support.
• Online: Visit United Airlines’s official website to manage bookings, request refunds, and access self-service tools.
• Mobile App: Check in, track flights, and manage bookings through the United Airlines mobile app.
• Airport: Visit the United Airlines ticketing counter or customer service desk at any airport they serve.

Tips for Faster Service

• Call during off-peak hours: Tuesday–Thursday, 7am–10am ET.
• Have your 6-character booking reference ready.
• Use the website or app for simple changes — phone queues are for complex issues.
• Ask to be called back if on hold — most airlines offer this service.