Need quick assistance? Reach the airline directly at the United Airlines Head Office Phone Number . Located in Chicago, Illinois, the corporate office is available 24/7 to help with reservations, cancellations, baggage queries, or MileagePlus rewards. Whether you want to modify your flight, book group travel, or learn about special services, calling the head office connects you to pr... https://airofficedesks.com/united-airlines/united-airlines-head-office/