United Airlines 24 Hours Customer Service Information

Online

Lost Luggage

For contact information on lost or damaged bags, or lost items.

Social Media

Facebook
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Instagram

Reservation Numbers (USA & Canada)

  • OTA(24x7): _ - No Wait Time

Other Reservations Numbers

  • Canada: 1 888 247-2262
  • UK: 020 7616 9187

HQ Address

233 S Wacker Drive,
Chicago,
IL 60606,
USA

Industry Codes

  • IATA: UA
  • ICAO: UAL
  • Ticket/Accounting: 016

Flight Cancel / Refund Telephone Number

  • OTA(24x7): _ - No Wait Time

Flight Change / Rebooking Telephone Number

  • OTA(24x7): _ - No Wait Time

Change / Seat Upgrade Telephone Number

  • OTA(24x7): _ - No Wait Time

Customer Service Telephone Number

  • OTA(24x7): _ - No Wait Time