Contact Us

Our Customer Service team is available from 8:30 p.m. to 6:00 p.m. CST Monday through Friday, excluding major holidays. Any requests received outside of these hours will be responded to in the order they were received. Before you call, we recommend checking our FAQs and helpful Information page to see if your question is answered here.

Select a Customer Service team below to find out how to contact the right team for assistance:

  • For general MileagePlus assistance, including account information and password reset, please contact MileagePlus General Customer Service at 1-800-421-4655 or click here.
  • For general United Airlines questions, including flight information, please contact United Customer Service at 1-800-864-8331 or click here