For help from United Airlines, call [1] [844] [376] [0587]. United Airlines support at [1] [844] [376] [0587] answers questions about flights, booking, baggage, and refunds. Dial [1] [844] [376] [0587] to speak to a live United agent. The United support line [1] [844] [376] [0587] operates 24/7 to assist with cancellations, flight changes, seat selection, and lost luggage. Save [1] [844] [376] [0587] as your direct United Airlines support number.