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Building a world-class gateway.

The largest terminal expansion in the history of O'Hare International Airport is set to elevate every aspect of the travel experience. Thoughtful technology upgrades and modern amenities will help move passengers faster, smarter, and more comfortably than ever before.

O'Hare 21 supports the city's primacy in global trade and logistics, supporting small businesses and construction trades across Chicago neighborhoods. It sets the stage for a renewed 21st century travel experience with an expanded and adaptable network of air and ground transportation, cutting-edge terminals built for fuel-efficient flight, and the capacity to meet the evolving passenger demands of future generations.

3 million square feet of new space and 25% more gate capacity.

Streamlined systems from curb to gate leave passengers free to enjoy their arrival and departure with less stress.

Business and contractor partners with skill, talent, and drive bring their expertise to innovative solutions connecting Chicago to a fast-moving globe.

A vital economic resource, O'Hare welcomes over 80 million travelers a year, connecting Chicago to 265 destinations.

Handling 2 million metric tonnes of cargo annually, O'Hare is the world's flagship freight connection to the U.S., extending Chicago's history as a global crossroads.

The New Concourse D

Construction is underway on Concourse D, the first new concourse at O’Hare in more than 30 years, built to flexibly accommodate narrow and wide-body aircraft, increasing carriers’ operational efficiency, speeding passenger connections, and reducing layovers at a bustling travel hub.

ElevateT3

ElevateT3 transforms Terminal 3 with upgraded amenities, expanded accessibility, a revamped baggage claim experience, and a more seamless curb-to-gate journey.

The New T5

Terminal 5 makes room for 10 new gates, a Delta Sky Club and upgraded amenities. T5 brings international and domestic flights together to support smooth, efficient connections.