Change or rebook a flight
Ask about a different flight, a ticket exchange or a change to an existing booking. Fare differences and ticket rules may apply.
1-800-864-8331General reservations / service lineManage your bookingUnited Airlines
United Airlinesunited.com
Customer Service Number
1-800-864-8331Reservations and booking changes — US and Canada
TOLL-FREECOMPANY-PUBLISHED NUMBER
United States24 hours daily
Use United Reservations for help buying tickets or changing an existing trip. This is the general reservations line, not a dedicated refund department.
Official sourceChecked 2026-09-16
Toll-free in the listed region. Mobile airtime or international charges may apply.
More departments & phone lines Choose the department or region for your question.
Hayrace Contact Guide is an independent directory, not United Airlines’s customer service team. The numbers above belong to the company, not this directory.
BEFORE YOU CONTACT THE AIRLINE
What do you need to do?
Cancel a reservation
Check your ticket conditions before cancelling. If a travel agency issued your ticket, contact the seller about the next step.
1-800-864-8331General reservations / service lineOpen the airline’s cancellation helpRequest or check a refund
The airline or ticket seller decides eligibility. A cancelled flight or booking does not always result in a cash refund.
Open official refund guidanceUse the airline’s own online route. No separate refund phone is listed here.Calls go directly to the listed airline. This guide cannot change tickets, submit refunds or access your booking.
Choose your contact at United Airlines
Choose a department that handles your question. The country, hours and source apply to that contact only.
Reservations and booking changes — US and Canada
Use United Reservations for help buying tickets or changing an existing trip. This is the general reservations line, not a dedicated refund department.
Source · Checked 2026-09-16Change or cancel a trip
Source · Checked 2026-09-16Request a refund or check its status
Help Center > Refunds and receipts links to this form. Refund eligibility is determined by United and the ticket conditions.
Source · Checked 2026-09-16Baggage Recovery Center — US and Canada
English and Spanish. For problems with checked bags; no operating hours were stated for this desk on the source.
Source · Checked 2026-09-16Delayed, damaged or lost checked bags
Source · Checked 2026-09-16Chat with United
Source · Checked 2026-09-16Customer Care — recent trip feedback and expense reimbursement
For recent-trip concerns and feedback. During-trip or future-booking assistance belongs in the Help Center.
Source · Checked 2026-09-16Hayrace Contact Guide is independent and is not affiliated with United Airlines. We cannot access accounts, make reservations or resolve company support cases.
Before contacting the airline
Use reservations for booking questions and a separately labelled baggage channel for luggage issues. If you booked through an agency, check who issued your ticket. Share booking information only through the airline’s secure official channels.