United Airlines operates out of Washington Dulles International Airport (IAD), serving as a major hub for both domestic and international flights. The airline utilizes multiple concourses to accommodate its extensive flight network.Concourse Assignments:

• Concourse A: Primarily serves United Express flights.Concourse C: Handles United mainline flights, including both domestic and international departuresConcourse D: Also serves United mainline flights

• Concourse Z: Used for certain United flights.
  
  

Amenities and Services:

• United Club Lounges: Located in Concourses C and D, these lounges offer amenities such as complimentary snacks, beverages, and Wi-FiUnited Polaris Lounge: Situated in Concourse C, this lounge provides premium services for eligible passengers.AeroTrain: An underground people mover system connecting the main terminal to Concourses A, B, and CCheck-In and Security:

United Airlines passengers at IAD benefit from dedicated check-in counters and self-service kiosks in the main terminal. Expedited security screening is available for eligible travelers.Travel Tips:

• AeroTrain: Utilize the AeroTrain for efficient transfers between terminals

• Lounge Access: Access to United Club and Polaris lounges is available for eligible passengers.Flight Information: Stay updated on flight statuses and gate information through the United Airlines app or airport monitors.
  
  

For more detailed information on United Airlines services at IAD, visit the official airport website. 

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