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United Airlines customer service phone numbers

IATA UA · MileagePlus

Reservations and customer service (English)

800-864-8331

24 hours daily

MileagePlus

800-421-4655

7:00 a.m. - 12:00 a.m. daily, Central time

Baggage Recovery Center

800-335-2247

Toll-free from U.S. and Canada

Reservations (Spanish)

800-426-5561

24 hours daily

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Good to know

  • Booking with an agent carries a $25 fee by phone and $50 at the airport; booking on united.com has no extra fee.

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The United flight numbers flown most in the last 14 days. Each page shows the usual route, times and aircraft, and the flight live.

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From United's official pages.cwsi.net is not affiliated with United Airlines.
Sources: www.united.com/en/us/fly/help/contact-reservations.html | www.united.com/en/us/fly/help-center.html