Quick answer: Call United Airlines customer service at 1-800-864-8331 — 24 hours a day, 7 days a week. Pressing 0 at every prompt is the quickest route to a live agent.
United Airlines’s publicly published customer service line
1-800-864-833124 hours a day, 7 days a week
This is United Airlines’s own published number — your call goes directly to the airline, not to us. We never charge a fee and never route your call through a middleman.
United Airlines customer support: what to expect
United's support is deeply integrated with its app — during delays the app often presents rebooking options, meal vouchers and hotel links before an agent could. The phone line is best saved for multi-passenger bookings, partner-airline itineraries and anything the app refuses to change.
Worth knowing: United's automated system recognizes your MileagePlus status from your phone number — call from the number on your account for faster routing.
How to reach a live person at United Airlines
United Airlines’s phone menu, like most airlines’, tries to keep you in self-service. Here is what actually gets you to a person:
- At each prompt, ask for a “representative” or press 0. Two or three repeats is normally enough to force a transfer to a person.
- Avoid picking a narrow menu option when you can. A general request often routes to a live agent faster than a specific sub-menu.
- If United Airlines offers an automated call-back, take it. You keep your place in the queue without holding the line.
- The line runs around the clock, so use the quiet windows: before 7am or late evening in your time zone, and mid-week rather than Monday.
- Have your booking reference or confirmation number in front of you before you dial — it shortens the whole call.
- If the phone wait is long, the United Airlines app or website live chat is often quicker for simple changes and questions.
United Airlines response times by channel
Pick your channel based on urgency — the differences are big:
| Channel | Typical response |
|---|---|
| Phone | A few minutes to 30+ minutes on hold at peak; shortest early morning and mid-week |
| App / website live chat | Usually a few minutes; best for simple changes |
| Email / web contact form | 1 to 3 business days |
| Social media (X, Facebook) | Several hours to about a day |
| Airport service desk | Immediate, in person — best during travel disruptions |
What the United Airlines customer service line handles
- New bookings and reservations
- Flight changes, cancellations and rebooking
- Refunds and travel credit
- MileagePlus loyalty account help
- Baggage, seating and special assistance
Before you call United Airlines: what to have ready
A two-minute prep before dialing routinely saves twenty on the phone. Gather:
- Your booking reference or confirmation number (usually six characters)
- The passenger name exactly as it appears on the booking
- Your MileagePlus number, if you are a member
- Travel dates and flight numbers for the trip in question
- A payment card — only if you plan to pay for a change or extra. Never read card details to anyone who called you unexpectedly.
- Pen and paper to note the agent’s name and any case number
Other ways to contact United Airlines
Besides the phone, you can reach United Airlines through live chat and the help center on its official website, the United Airlines mobile app where available, and its verified social media accounts. For many changes, chat is faster than calling.
Open United Airlines’s official help & contact page
United Airlines customer service — frequently asked questions
Is 1-800-864-8331 really United Airlines’s customer service number?
Yes. 1-800-864-8331 is United Airlines’s own publicly published customer service line. We list it for convenience and link to United Airlines’s official contact page so you can confirm it yourself. The call connects directly to United Airlines — this directory does not run a call center.
What hours can I reach United Airlines customer service?
United Airlines’s line operates 24 hours a day, 7 days a week. Expect longer holds during business hours in the airline’s home market.
How do I skip the automated menu and get a real person at United Airlines?
Keep asking for an “agent” at every prompt and skip the self-service options. If a call-back is offered, take it. The step-by-step version is in the “Reach a live person” section above.
Does United Airlines charge a fee to call customer service?
No. United Airlines does not charge a fee to speak with customer service; standard phone-plan rates are all that apply. If anyone asks you to pay a separate “service fee” to connect your call or hold a booking, hang up — that is not the airline.
What can the United Airlines phone line help with?
Reservations, flight changes and cancellations, refunds and travel credit, MileagePlus account questions, and baggage or special-assistance requests.
How can I contact United Airlines without calling?
Use United Airlines’s website or mobile-app live chat, its online help center, or its verified social media accounts. Chat is often faster than the phone for simple changes. If your ticket involves a Star Alliance partner, contact the airline that issued the ticket first — it controls the booking.
When is the best time to call United Airlines?
Because the phone line runs 24/7, the quietest windows are overnight, before 7am, and mid-week. Monday mornings and the days after widespread weather disruption are the worst.
How do I reach United Airlines about a delayed or lost bag?
Call the main customer service line and follow the baggage prompts, or visit the baggage desk at the airport. United Airlines’s website also has a baggage-tracing tool. See our lost-baggage guide for the full process.
How do I request a refund from United Airlines?
Start a refund request on United Airlines’s official website, or call the customer service line. Refund eligibility depends on your fare type and the reason for the change. Our airline-refunds guide explains your rights.
How do I know I am not calling a fake United Airlines number?
Confirm the number on United Airlines’s own website before calling, never pay a “service fee” to be connected, and be wary of numbers from paid ads. Read our guide on avoiding fake airline phone numbers.
How we verified this listing
The number above is United Airlines’s own publicly published customer service line. It was last checked against United Airlines’s official website and other public sources on May 25, 2026, and this page’s editorial content was last updated on July 8, 2026 by Martin B., Founder & Editor. We are an independent directory, not a call center, and we have no affiliation with United Airlines. Numbers change — if this one looks wrong, tell us and we will re-check it.