Houston George Bush / Washington Dulles: 36 New Gates: One US Airline Wins Big From Airport Expansions In 2026

Simple Flying
Paul Hartly
11 Mar 2026

Major airport expansions are common in the United States, but rarely do they line up so neatly with the needs of a single airline. In 2026, two of the country’s most important hubs — Washington Dulles International Airport (IAD) and Houston George Bush Intercontinental Airport (IAH) — will see major gate expansions come online. Together, these projects will deliver 36 new gates, all of them to be used by the same carrier.

Washington Dulles

Washington Dulles will open a major new facility when Concourse E debuts in late 2026. The concourse is part of the airport’s $7 billion “Dulles Next” modernization program and represents one of the most significant expansions at the airport in decades. The project will deliver 14 new gates and expand overall terminal capacity at a time when passenger growth has pushed existing facilities to their limits.

Houston Dulles

While Dulles represents an important expansion, the project underway in Houston is even larger. At George Bush Intercontinental, the ongoing $2.5 billion Terminal B transformation is set to redevelop 40 gates in total, with the North Concourse expected to add 22 new gates later this year...

36 New Gates: One US Airline Wins Big From Airport Expansions In 2026 - Simple Flying - 11 Mar 2026