Two new satellite concourses, S1 and S2, will play a
significant role in transforming the face of O’Hare—with
modern, larger new concourses nearly double the width of
our terminal concourses today. They are being designed
with flexible gates, to accommodate both narrow and
During the ORD21 design competition, five of the best
architecture firms from around the world submitted their visions for O’Hare.
One of the design teams will be selected to design the Global Terminal and one
will be selected to design the two satellite concourses.
Not only will these modern, bright concourses add
gate capacity and passenger amenities, they are also an
enabling project for the Global Terminal. Because of
these concourses, which will be accessible via
underground tunnels, O’Hare will not lose any gate
capacity while Terminal 2 is being rebuilt as the new