Consult the online check-in help and FAQs page for more details.Ĭheck out ’ guide to 10 things to do before your flight. Online and mobile check-in are not available for travel to or from some international destinations. Minimum time requirements for check-in, baggage check and boarding may vary based on your departure airport and destination. Pets and service animals Mobile boarding passes and priority boardingĬheck-in online on your computer, online on your mobile device, and via United’s mobile app is available starting 24 hours before scheduled departure. Mobile boarding passes and priority boarding What are my United Airlines check-in options? You can find United Airlines on several of the most popular social media websites: Mailing Address: United, Customer Care, 900 Grand Plaza, Houston, Texas 77076.
United boasts the world’s most comprehensive route network, including U.S. United Airlines and United Express operate more than 4,500 flights a day to 339 airports across five continents. United Airlines was founded on April 6, 1926.