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The Chicago Department of Aviation has announced O’Hare 21, a decade-long capital program aimed at modernizing O'Hare International Airport (ORD) through major expansions and improvements. The initiative also seeks to provide inclusive opportunities for local businesses.
As reported by O’Hare 21, the project is a long-term capital improvement program designed to transform ORD with signature projects such as the O’Hare Global Terminal and two new satellite concourses. The focus is on increasing capacity, improving operational efficiency, and accommodating projected passenger growth to maintain the airport's status among global gateways. The program brings together multiple modernization projects to support evolving operational and customer needs.
According to O'Hare 21, the Concourse L Expansion project is a supporting initiative that will deliver additional gate capacity and enhanced amenities for domestic travelers at Terminal 3. This expansion includes five new gates, larger hold rooms, concessions, and new passenger amenities aimed at improving comfort and efficiency for American Airlines customers. Construction began in 2021 and was completed in 2024.
