United Airlines Usefull Informations & 24/7 User Contact Guide

Airline contact and directory information.

Online

Official site: www.united.com
Frequent flyer: Program details
Airline alliance: Star Alliance

Reservations and Customer Service

US & Canada
Mexico
Global Toll-Free

HQ Address

233 S Wacker Drive, Chicago, IL 60606, USA

Industry Codes and Social

IATA: UA
ICAO: UAL
Ticket/Accounting: 016
Social: Facebook

How To Guide Step by Step: United Airlines

United Airlines Reservations
United Airlines Group Travel
United Airlines Vacations
United Airlines Change Flight
United Airlines Cancel Flight
United Airlines Upgrade Seat
United Airlines Name Correction
United Airlines Check-In
United Airlines Manage Booking
United Airlines Add Pet
United Airlines Add Infant
United Airlines Add Wheelchair
United Airlines Add Baggage
United Airlines Customer Service
United Airlines Frequent Flyer Program

All United Airlines Policy Updated "Last Updated Jan 2026"

United Airlines Booking Policy
United Airlines Group Travel Policy
United Airlines Vacation Policy
United Airlines Changes Policy
United Airlines Cancellation & Refund Policy
United Airlines Upgrade Seat Policy
United Airlines Name Correction Policy
United Airlines Check-In Policy
United Airlines Manage Booking Policy
United Airlines Pet Policy
United Airlines Infant Policy
United Airlines Wheelchair Policy
United Airlines Baggage Policy
United Airlines Frequent Flyer Program Policy