MileagePlus Customer Service
MileagePlus customer service
Visit the MileagePlus® Service Center for answers to common account questions. If you need additional help, there are two ways to contact us.
Get answers to all your travel questions. We’re available 24 hours a day.
Get answers to all your travel questions. We’re available 24 hours a day.
Call us
Our agents are available daily between the hours of 7:00 am - midnight (CT), within the U.S. and Canada. For international phone numbers, click here.
Main phone numbers
1-800-421-4655 (toll-free) 1-713-952-1630 (charges may apply)
Accessibility phone number
For customers who are deaf or use a teletypewriter:
1-800-323-0170