United Airlines Contact Information

Online

Reservations in USA

  • Phone: 800 864-8331

Other Reservations Numbers

  • Canada: 800 864-8331
  • UK: 0845 607 6760

Social Media

HQ Address

233 S Wacker Drive,
Chicago,
IL 60606,
USA

Industry Codes

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