What's rising at Chicago O'Hare: A look at the massive ORDNext expansion
Chicago O'Hare is undergoing a $12.5 billion redevelopment called ORDNext, adding new terminals, concourses, and an underground train system. The project aims to expand the airport's gate count from 185 to about 220. The first new concourse, Concourse D, is expected to open in two years, while airlines are already increasing seat capacity to work around federal flight caps.
The ORDNext program ranks among the largest airport redevelopment efforts currently underway in the United States. Beyond the new terminals, the project includes an underground transit link connecting the expanded facilities. The timeline has shifted considerably from initial plans, with the Global Terminal now projected for completion in 2034, roughly six years behind the original schedule.
Federal flight caps have pushed airlines to adapt strategically. American Airlines is scheduled to add nearly 21 percent more seats this year, while United plans over 13 percent growth, both achieved through larger aircraft rather than additional departures. Concourse D's flexible gate design, accommodating either one wide-body or two narrow-body planes, supports this approach.
The ORDNext expansion could reshape how millions of travelers experience one of the nation's busiest airports. If the Global Terminal delivers on its promise of seamless international-to-domestic connections, passengers may save significant time and effort. However, the extended timeline means construction disruptions will continue affecting travelers for years. Airlines' shift toward larger planes could also influence