Simple Flying
The $20 Billion Airport Transformation Planned Around United's Washington Hub
xCruzo Brief
The Metropolitan Washington Airports Authority (MWAA), United Airlines and the U.S. Department of Transportation announced a capital investment program of more than $20 billion for Washington Dulles International Airport (IAD) on July 29, 2026. The plan targets over 5 million square feet (464,515 square meters) of new or renovated space during the next decade—about triple the roughly $7 billion modernization set out in MWAA’s May 2025 master plan. Eero Saarinen’s Main Terminal will be preserved. Concourse C and D, which underpin United’s hub, are slated for replacement, while Concourse E is scheduled to open later in 2026 with 14 new United gates and AeroTrain access.
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