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Chicago Breaks Ground on $1.3 Billion, 19-Gate Concourse D at O’Hare

The first piece of a multi-year plan focuses on capacity gains for smoother domestic‑international connections.

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Overview

  • Mayor Brandon Johnson joined aviation and airline leaders Monday to break ground on Concourse D just south of Terminal 1, officially starting construction.
  • The $1.3 billion satellite concourse will add 19 gates with flexibility for larger aircraft, with opening targeted for late 2028.
  • Work will proceed as roughly 120 planes an hour use the airfield, with heavy excavation slated for later this year and vertical construction planned for spring 2026.
  • Skidmore, Owings & Merrill leads the design with Ross Barney Architects, JGMA and Arup, featuring a skylit oculus, living greenery and systems projected to halve heating and cooling costs.
  • Officials expect roughly 3,800 to 4,000 construction jobs with a 37% participation goal for minority‑ and women‑owned businesses, and the concourse initiates a broader program that adds a second satellite, an underground tunnel link and a future Global Terminal after Terminal 2 demolition.