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O’Hare 21 is Chicago's vision for a modern airport that will be an efficient and accessible international gateway to the world and to Chicago.
Through this $8.5 billion project, O'Hare will be transformed from curb to gate and meet the needs of the traveling public through the 21st century and beyond.
O'Hare Global Terminal:
Vision for a new Terminal 2
Terminal 5:
Building a Global Gateway
Satellite Concourses:
Vision for two new satellite concourses

O'Hare 21 is a multi-dimensional, multi-phased umbrella for the long-term vision for O’Hare. O'Hare 21 projects include:

  • The Terminal Area Plan (TAP)—which includes both the O’Hare Global Terminal and the two satellite concourses
  • Completion of the O’Hare Modernization Program (OMP) major airfield projects
    • Runway 9C-27C
    • Runway 9R-27L extension
    • Central deicing pad
  • Near-term gate improvement projects
    • Terminal 5 expansion
    • Terminal 3 Concourse L expansion
  • On-airport hotel developments
  • Other capital projects
    • Airport Transit System extension and modernization
    • 15-year O’Hare Capital Improvement Plan (CIP)

Collectively, these projects will:

  • Expand travel options by increasing gate capacity and airline competition
  • Reduce security wait times with new security screening checkpoints that integrate the latest screening technology
  • Improve screening and sorting of passenger baggage by replacing baggage handling systems
  • Reduce airfield congestion and ground delays by improving aircraft parking positions and capabilities