The company has a dedicated support department and you can call United Airlines customer service whenever you need assistance. The United Airlines phone number is (800) 824-6200, and it is available in the U.S. and Canada and utilizes an automated voice system. If you are traveling from any other location in the world, you will need to contact United Airlines’ local service number. Dial United Airlines’ contact number to book a flight or get answers to any questions you have about traveling.
The company charges a fee when you purchase a ticket or change a reservation over the phone. Note, that doing this online is free.