United Airlines customer service — Verified US phone numbers, complaint & refund help

Looking for the real United Airlines customer service number in 1970? United Airlines's verified contact line is 1-800-864-8331, staffed 24/7. This page lists every confirmed United Airlines phone number, email, complaint address, and refund channel — pulled directly from https://www.united.com/en/us/contact-united and refreshed regularly so you don't waste time on outdated or spoofed numbers. Below you'll find the escalation ladder, regulator path (U.S. Department of Transportation — Aviation Consumer Protection), and step-by-step instructions for filing a formal complaint when first-line support cannot resolve your issue.

United Airlines is a airline company operating in United States, legally registered as United Airlines Holdings, Inc.. United Airlines's official airline helpline number is 1-800-864-8331, available 24/7 in en-US. United Airlines is regulated by U.S. Department of Transportation — Aviation Consumer Protection in United States. Last verified on 2026-06-27 by Dr Hint Editorial Team (Consumer Helpline Editor).

Verified United Airlines phone numbers

ChannelNumberHoursRegion
Reservations & General(toll-free)1-800-864-833124/7United States
MileagePlus(toll-free)1-800-421-465524/7United States
Baggage Service(toll-free)1-800-335-224724/7United States
Verified on: 2026-06-27 · Source · Regulator: U.S. Department of Transportation — Aviation Consumer Protection

United Airlines Holdings, Inc. operates one of the largest airline customer-service operations in the country. The main consumer line 1-800-864-8331 routes through an automated menu first — to reach a human agent quickly, press 0 repeatedly or say 'agent' when prompted. Wait times are typically shortest mid-week between 9am and 11am local time, longest on Monday mornings and the day after a service outage or product launch.

United Airlines segments specialist teams behind the main number: billing, technical support, account security, and an executive escalation desk reachable only after Tier 1 has logged the case. The brand publishes its contact details at https://www.united.com/en/us/contact-united; the page is updated periodically with new toll-free numbers, regional offices, and country-specific lines for international customers. Always verify the number on that page before dialing — scam operators routinely buy ads on the brand's name and substitute their own number to harvest payment details.

If United Airlines cannot resolve your case after two contacts, the regulator for this category is U.S. Department of Transportation — Aviation Consumer Protection (https://www.transportation.gov/airconsumer). A regulator complaint forces a written response within 30 days and is the single most effective consumer tool in this market.

Quick answers — United Airlines customer service

The 9 most-asked "how to" questions about United Airlines, answered from verified data on this page. Tap a question to expand.

How to contact United Airlines customer service?#

The fastest way to reach United Airlines customer service is by calling 1-800-864-8331 (Reservations & General, 24/7). You can also use the official support portal at https://www.united.com/en/us/contact-united. All numbers and hours are verified on this page.

How to talk to a real person at United Airlines?#

Call 1-800-864-8331 and, when the IVR menu plays, press 0 or say "representative" / "agent" repeatedly until you are routed to a human. Calling during off-peak hours (early morning local time) usually reduces wait time significantly.

What is United Airlines's 24/7 phone number?#

United Airlines's 24/7 helpline is 1-800-864-8331 (24/7), available in United States. This is the verified line listed on United Airlines's official channel.

How to file a complaint against United Airlines?#

Dial 1-800-864-8331 and ask the agent to escalate to a supervisor. Note the agent name and case ID — you'll need them at every later step. If unresolved, escalate through the 4-step process documented on this page, and finally to the regulator (U.S. Department of Transportation — Aviation Consumer Protection) if the issue is still not resolved.

How to get a refund from United Airlines?#

For card refund (original payment method), United Airlines typically processes refunds within 7 business days for credit-card, 20 days for cash/check (DOT rule) via Back to the same card. Call 1-800-864-8331 with your order/transaction ID ready to start the request.

How to escalate an issue with United Airlines?#

Start at Tier 1 — Customer Service (1-800-864-8331) — Routine issues resolved in one call. Ask for a case ID before hanging up.. If unresolved within the expected window, move to the next tier of the escalation ladder documented on this page. Final escalation goes to the regulator: U.S. Department of Transportation — Aviation Consumer Protection.

What are United Airlines's customer service hours?#

United Airlines customer service operating hours: 24/7; 24/7. Hours can vary by region and channel — full per-number breakdown is in the verified numbers table on this page.

Is United Airlines customer service free to call?#

Yes — United Airlines provides a toll-free number 1-800-864-8331 that is free from landlines and most mobile networks in United States. Paid lines may apply for premium support or international calls.

How to email United Airlines support?#

United Airlines does not publicise a single inbound support email — instead use the contact form on the official support portal (https://www.united.com/en/us/contact-united). Submitting through the official portal is faster and creates a tracked case number for follow-up.

Common United Airlines issues & solutions

Flight cancelled or delayed

EU261 / DOT rules give you a rebooking on the next available flight at no charge, plus cash compensation if the delay exceeds 3 hours and the cause was within the airline's control. Call 1-800-864-8331 or use the United Airlines app 'rebook' button — phone agents have inventory the app may not show.

Baggage delayed, damaged, or lost

File a Property Irregularity Report (PIR) at the airport before leaving. United Airlines delivers delayed bags within 1–3 days; if not returned in 21 days the bag is officially declared lost and you can claim up to the Montreal-Convention limit (~$1,700).

Refund vs travel-credit choice

Cancellations initiated by United Airlines entitle you to a cash refund, not just a voucher — federal rule (US DOT) and EU261 both confirm this. Insist on 'refund to original form of payment' on the call.

Seat assignment changed without notice

Aircraft swaps can shuffle seats. Call 1-800-864-8331 24 hours before departure — agents can usually reassign to equivalent seats. Premium-seat downgrades trigger an automatic refund of the seat fee within 7 days.

Frequent-flyer points missing after a flight

Points typically credit within 7 days of the flight. After 7 days file a 'missing miles' claim with your ticket number, boarding pass, and frequent-flyer number. United Airlines credits within 4–6 weeks; expedite via 1-800-864-8331.

Special assistance request (wheelchair, medical)

Request via the United Airlines app at booking and confirm 48 hours before. If you arrive and assistance is missing, ask any United Airlines agent to call 'Complaints Resolution Official' (CRO) — required by US DOT to be on duty at every staffed gate.

How to file a formal complaint against United Airlines

  1. Step 1: Call customer service first
    Dial 1-800-864-8331 and ask the agent to escalate to a supervisor. Note the agent name and case ID — you'll need them at every later step.
  2. Step 2: Submit a written complaint
    United Airlines must acknowledge a written complaint within 5 business days under most national consumer rules. Send via certified mail or the brand's secure-message portal and keep proof.
  3. Step 3: File with the regulator
    Open a case with U.S. Department of Transportation — Aviation Consumer Protection at https://www.transportation.gov/airconsumer. The regulator will not adjudicate your specific dispute in most cases, but the brand must respond in writing within 30 days.
  4. Step 4: Small-claims court or ombudsman
    If the dispute is under the local small-claims threshold, file at your local court. Most brands settle in writing before the hearing rather than send a lawyer.

Escalation ladder — what to do if nothing works

Tier 1 — Customer Service
📞 1-800-864-8331
Routine issues resolved in one call. Ask for a case ID before hanging up.
Tier 2 — Supervisor
📞 Ask Tier 1 for a callback from a supervisor
Callback within 24–48 hours. Authority to issue goodwill credits and override standard policy.
Tier 4 — Regulator complaint
📞 U.S. Department of Transportation — Aviation Consumer Protection — https://www.transportation.gov/airconsumer
Written brand response required within 30 days. Most effective consumer escalation in this market.
Tier 5 — Small-claims court / Ombudsman
📞 Local court or sector ombudsman
Brands typically settle in writing before a hearing. Filing fee is usually under $50/£35/€50.

Refund & cancellation timeline

ScenarioWindowMethod
Card refund (original payment method)7 business days for credit-card, 20 days for cash/check (DOT rule)Back to the same card
Bank transfer refund5–10 business daysOriginal account
Voucher / brand creditIssued same dayUnited Airlines account credit
Regulator-mandated refund30 days after regulator decisionOriginal payment method, with interest where applicable

⚠️ Scam advisory

United Airlines impersonation scams are common in US. Warning signs: (1) caller asks for your password, full card number, PIN, or one-time passcode; (2) tells you a 'fraudulent' transaction or login happened and pressures you to act in minutes; (3) asks you to install remote-access software like AnyDesk or TeamViewer; (4) demands payment in gift cards or cryptocurrency. If any of these happen — hang up. Then dial 1-800-864-8331 yourself (never call back a number the caller gave you) to verify there is no real issue. Report the scam to https://www.transportation.gov/airconsumer and to United Airlines's abuse address listed on https://www.united.com/en/us/contact-united.

United Airlines vs competitors

Delta
Higher on-time performance ranking
Smaller award-availability inventory
American Airlines
Larger U.S. domestic route map
Lower customer-satisfaction scores in J.D. Power surveys
Southwest
Free bags + no change fee
No assigned seating; limited international

Frequently asked questions

What is the real United Airlines customer service number?

1-800-864-8331 — published on https://www.united.com/en/us/contact-united and verified on the date shown at the top of this page.

Is United Airlines customer service 24/7?

24/7

How do I talk to a real human at United Airlines?

Dial 1-800-864-8331 and press 0 repeatedly, or say 'agent' / 'representative' at the IVR prompt — most airline IVRs route to a human within 5 minutes during business hours.

Is calling United Airlines free?

Yes — the toll-free numbers marked above are free from a landline or mobile in their listed region. International calls are charged at your carrier's rate.

Can I email United Airlines?

United Airlines prefers phone and in-account chat; email is available via the contact form on https://www.united.com/en/us/contact-united.

How long does a United Airlines refund take?

7 business days for credit-card, 20 days for cash/check (DOT rule) for card refunds; instant for account credit; up to 30 days for disputes that go through the regulator.

What if United Airlines customer service can't help?

Escalate to a supervisor (Tier 2), then the written-complaint desk, then the regulator U.S. Department of Transportation — Aviation Consumer Protection at https://www.transportation.gov/airconsumer.

Will United Airlines ever ask for my password or full card number?

No. Real United Airlines agents will never ask for your password, full card number, PIN, SSN/national ID, or one-time passcodes over the phone or email.

What hours does the main United Airlines line operate?

24/7

How do I file a written complaint to United Airlines?

Use the contact form on https://www.united.com/en/us/contact-united or send certified mail to the registered address. By law, United Airlines must acknowledge in 5 business days and resolve or update you within 30 days.

Where do I report a scam pretending to be United Airlines?

Forward the email to United Airlines's abuse address (listed on https://www.united.com/en/us/contact-united) and report to the regulator https://www.transportation.gov/airconsumer.

Does United Airlines have a complaint email?

Use the contact form on https://www.united.com/en/us/contact-united; United Airlines does not publish a general complaint email.

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Other United States helplines

Glossary

IVR (Interactive Voice Response)
The automated phone menu — press 0 or say 'agent' to reach a human faster.
Tier 1 / Tier 2
Tier 1 is the front-line agent; Tier 2 is a supervisor with authority to override policy or issue goodwill credits.
Goodwill credit
A discretionary refund or service credit issued by the brand outside its standard policy to retain a customer.
Regulator
Independent body that oversees airline businesses — for United Airlines that is U.S. Department of Transportation — Aviation Consumer Protection.
Chargeback
A reversal of a card payment initiated through your bank instead of the merchant. Slower than a brand refund but legally enforceable.
SLA (Service Level Agreement)
Contractual response/resolution times. Most consumer SLAs are 5 business days to acknowledge and 30 days to resolve a written complaint.

About this page

Edited & reviewed by Dr Hint Editorial Team (Consumer Helpline Editor). Last reviewed: .

Sources & references

Unofficial directory — DrHint is independent and not affiliated with this brand.

Numbers verified from the brand's official contact page on the date shown. Call charges depend on your carrier.

For life-threatening emergencies call the local emergency number instead of any helpline below.

We will never ask for your full card number, PIN, password, or one-time passcode.

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