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Edited by:
Ajust Content Team
Last updated:
November 24, 2025
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How to submit a complaint with
United Airlines
 

Submitting a complaint to United is pretty straightforward, and the fastest route is usually online. Here’s how to get your issue logged and moving.

Online Customer Care Form (Fastest):

United’s primary channel for complaints is its Customer Care form: https://www.united.com/en/us/customercare

Select the relevant topic, enter your flight details, describe what happened, and attach any documents (receipts, photos, boarding passes). You’ll usually get an email confirming your submission with a reference number.

Phone – 24/7 Customer Service:

If you’d rather speak to someone, call: 1-800-864-8331 (1-800-UNITED-1) – available 24 hours a day.

Follow the prompts or say “complaint” to reach an agent who can log your issue and advise next steps.

Text Messaging & Mobile App:

United also offers text-based support:

  • Text “HELP” to 26266 for more info or support with United’s text service.

  • Use the United mobile app to access chat and messaging via Help/Contact options.

These channels can be handy if you’re on the move and don’t want to sit on a call.

Social Media:

Many customers contact @United on Twitter/X or via United’s Facebook page. Social teams can’t always resolve everything directly, but they can:

  • Flag your case to the right internal team

  • Nudge Customer Care when things are stuck

They’ll usually move the discussion into private messages and guide you to the official form or email.

Mail – Written Complaints:
You can also write to:

United Airlines, Inc. – Customer Relations
PO Box 06649
Chicago, IL 60606-0649

Include your full name, contact details, confirmation/ticket number, flight details, and a clear description of the issue plus what you want United to do.

Help Center (Self-Serve Before You Complain):

United’s Help Center has FAQs on baggage, refunds, flight changes, and more: https://www.united.com/en/us/fly/help-center.html

Worth a quick look to confirm your rights and check if there’s already a direct self-service path for your issue.

What happens after you submit a complaint to United Airlines?

Once you submit a complaint, United’s Customer Care team follows a set process:

1. Acknowledgment & Case Creation

United promises to acknowledge written complaints within 30 days and provide a substantive response within 60 days, in line with U.S. Department of Transportation rules and its own Customer Commitment.

Online submissions generally trigger an email confirmation with a case reference number.

2. Review & Investigation

A Customer Care representative reviews your case, checks internal records (booking info, flight status history, baggage logs, etc.) and may reach out for extra details.

3. Response & Resolution

They then respond (usually by email or sometimes phone) explaining:

  • What they found

  • Whether United accepts responsibility

  • What they’re offering as resolution

Depending on the issue, that might be:

  • A refund or partial refund

  • An eCredit for future travel

  • Bonus miles in your MileagePlus account

  • Reimbursement of reasonable out-of-pocket expenses

  • An explanation when they believe they’ve followed policy

4. Special Handling for Disability/Discrimination Complaints

Complaints involving disability or discrimination have specific regulatory timelines: airlines must provide a written response within 30 days.

These may involve United’s internal accessibility or civil rights teams.

5. Department-Specific Follow-Up

Some cases are managed by specialized teams. For example:

  • Baggage Resolution Service Center for lost/damaged luggage

  • Refunds department for payment issues

6. Follow-Up & Appeal

If you’re not satisfied, you can reply to the same email or call back with your case number and ask for a supervisor or higher-level review.

Common complaints against
United Airlines

United is a major global carrier, so it sees a familiar set of recurring complaint themes:

Flight Delays, Cancellations & Missed Connections

Customers often report frustration when:

  • Delays or cancellations cause missed connections

  • Communication is limited or confusing

  • Rebooking is slow or difficult

Extra pain points include out-of-pocket costs (hotels, meals, alternate transport) that may or may not be covered.

Customer Service Experiences

Some travellers describe:

  • Long hold times on the phone

  • Gate/airport staff who seem indifferent

  • Agents who don’t proactively offer vouchers or rebooking help

While plenty of people have positive United experiences, the negative ones tend to drive complaints.

Baggage Problems

Common baggage-related issues include:

  • Lost or delayed bags

  • Damaged baggage

  • Slow or frustrating claims processes

Refunds, Credits & Ticketing

Complaints arise when:

  • Refunds for cancelled flights are delayed or denied

  • Non-refundable ticket rules feel harsh or confusing

  • Schedule changes cause hassle without clear compensation

Media and consumer advocacy cases have highlighted situations where United eventually issued full refunds after external pressure.

Overbooking & Seating Issues

Although high-profile overbooking incidents are rare, customers still complain about:

  • Being involuntarily bumped

  • Family seating issues or seat changes after aircraft swaps

  • Downgrades from premium cabins

Accessibility & Special Needs

Some complaints relate to wheelchair assistance, pre-boarding, or medical accommodation—usually when coordination breaks down.

MileagePlus/Loyalty Concerns

At a more niche level, some MileagePlus members complain about:

  • Missing miles

  • Upgrade processing

  • Changes in earning/redemption value.

Complaints submitted through Ajust

How other consumers
United Airlines
 complaints got resolved

After a booking mistake, United initially charged $300 in change fees, but after an executive appeal, they waived the fees and refunded the full amount as a loyalty gesture.

United only offered travel credits for a customer's cancelled flight, until media got involved, exposing a system error and triggering a full $1,500 refund plus apology.

After first-class delays and cancellation, United issued a $500 eCredit plus bonus miles to one customer, acknowledging the disruption with an apology and compensation.

How to escalate a complaint with United Airlines

If the initial Customer Care response doesn’t cut it, here’s how to escalate.

Step 1: Follow Up on the Existing Case

Reply to United’s email or call with your case number:

  • Politely explain why the resolution isn’t adequate

  • Ask for your complaint to be reviewed by a supervisor or Customer Solutions specialist

Step 2: Call & Ask for a Supervisor

Ring 1-800-864-8331 again, reference your case ID, and ask to escalate to a supervisor or manager in Customer Care.

Step 3: Corporate & Executive Contacts

You can write to United’s corporate offices, clearly marking it as an escalation of an unresolved complaint and including your case number:

United Airlines
233 S. Wacker Drive
Chicago, IL 60606

Consumers have also used executive contacts sourced from public directories (e.g. via Elliott Advocacy’s United contact page) to get a call back from Corporate Customer Care with more flexibility on compensation.

Step 4: Social Media Escalation

Post a short, factual summary tagging @United on Twitter/X or contact them via Facebook.

  • Avoid posting personal details publicly

  • Use DMs once they respond

Public visibility often speeds up internal attention.

Step 5: External Escalation (BBB & Regulators)

If internal escalations fail, file:

  • A BBB complaint – it’s forwarded to United’s corporate liaison

  • A DOT complaint (see next section) – which United must answer

Throughout, keep your tone calm and factual, and clearly state what resolution you’re seeking (e.g. full/partial refund, fee waiver, voucher, apology, policy review).

Regulatory & Ombudsman Information for United Airlines

If you’ve given United a fair shot and still hit a wall, you have strong external options.

U.S. Department of Transportation (DOT) – Aviation Consumer Protection

The DOT oversees airline consumer rights and enforces rules around:

  • Refunds for cancelled flights

  • Tarmac delays

  • Overbooking compensation

  • Lost/damaged baggage

  • Disability & discrimination issues

File an official complaint here: https://www.transportation.gov/airconsumer/file-consumer-complaint

DOT requires airlines to:

  • Acknowledge complaints within 30 days

  • Provide a written response within 60 days (30 days for disability-related complaints)

Your complaint is forwarded to United and logged in federal records, which the airline takes seriously.

Better Business Bureau (BBB)

You can also submit a complaint via BBB, which forwards it to United’s management: United Airlines – BBB Profile (example HQ profile):
https://www.bbb.org/us/il/chicago/profile/airlines/united-airlines-inc-0654-5446

This often prompts a corporate-level review and a more considered response.

Civil Rights & Disability Issues

For serious discrimination or accessibility concerns, consider:

  • Filing via the DOT complaint form under “civil rights/disability”

  • Using DOT’s disability hotline (listed on their Aviation Consumer Protection site)

Media, Consumer Advocates & Legal Options

If all else fails and the issue is significant:

  • Consumer media segments and advocacy groups (like Elliott Advocacy) sometimes help mediate.

  • As an absolute last resort, you may explore small claims court or legal advice for clear-cut financial disputes (e.g. denied refunds).

In most cases though, United resolves legitimate complaints once regulators or external bodies are looped in, long before it reaches a courtroom.

Official United Airlines Complaint Resources & Links

United Customer Care & Contact

Policies & Your Rights

External Escalation

United Airlines
Complaints FAQs

You’ve done your part, now it’s time to hold
United Airlines
accountable.

Take the final step and submit a complaint that gets seen and responded to.