United Airlines Hagåtña Office

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United Airlines, commonly known as United, is a leading U.S. carrier headquartered in Chicago, Illinois. A founding member of Star Alliance, the airline operates an extensive global network. As of early 2026, United serves approximately 153 international destinations across about 76 countries, including scheduled commercial flights to Guam.

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United Airlines offers scheduled flights between Hagåtña and major cities in USA.

Hagåtña Office Contact Information
Hagåtña Office 523 Chalan Pasaheru Tiyan, GU 96913 Reservations Tel: 1 800 UNITED 1 (1 800 864 8331) MileagePlus Service Center: 1 800 421 4655 Office Hours Monday Friday : 9:30 a.m. 6:00 pm Saturday : 9:00 a.m. 2:00 pm Closed on Sunday and Public Holidays. Airport Name: Antonio B. Won Pat International Airport (Guam International Airport) United Airlines Hagåtña Office Location Map

Hagåtña Office Contact Information

Hagåtña Office
523 Chalan Pasaheru
Tiyan, GU 96913

Reservations Tel: 1 800 UNITED 1 (1 800 864 8331)

MileagePlus Service Center: 1 800 421 4655

Office Hours

Monday Friday : 9:30 a.m. 6:00 pm

Saturday : 9:00 a.m. 2:00 pm

Closed on Sunday and Public Holidays.

Airport Name: Antonio B. Won Pat International Airport (Guam International Airport)

United Airlines Hagåtña Office Location Map

Note: Not all international calls are toll-free. Rates for calls from a cell phone may be higher than calls from a landline. Additionally, in some locations, a General Sales Agent (GSA) may handle marketing, ticketing, sales, and reservations on behalf of United Airlines.

Customer inquiries handled by United Airlines Hagåtña Office including:

Flight Ticket Booking
Flight Ticket Cancellation
Flight Ticket Rescheduling
Web / Mobile App Check-in
Airport Counter Check-in
Self Service Kiosk Check-in
Unaccompanied Minor
Baggage Allowance
Duty Free Allowance
Flight Information
Airport Lounges
Visa Information

Missing Luggage
Immigration Services
In-Flight Wifi
Airport Wifi
In-Flight Entertainment
In-Flight Duty Free Items
Airport Facilities
Delayed Flights
United Club Lounge
Corporate Reward Program
Economy Class Services
Animals and Pets

Airport Transfers
Sports Equipment
Airport Transportation
Seats Enquiries and Selection
United MileagePlus®
Visa on Arrival
Transit Information
Receipts and Refunds
Travel Insurance
United Express®
Economy Plus®
Codeshare Partners

If you're unable to find the answer from a local agent, please contact United Customer Service directly at the following:

Head Office (HQ)	Tel Number	Email
United Airlines, Inc PO Box 06649 Chicago, IL 60606-0649 United States	Tel: +1 847 700 40 00 Fax: +1 847 700 22 14 Reservations: +1 800 864 83 31	customer.care@united.com

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