Mainly because it doesnt exist … anymore.
The phantom Terminal 4 did exist at one point inOHare airportshistory.
Up until 1985, OHare only had three terminals, named Terminals 1, 2 and 3.
Credit: Getty Images/iStockphoto
But that year, the airport decided to expand with a new international terminal.
However, the temporary Terminal 4 was tiny andforeign airlines complained about lack of operating space.
But by that time, the name Terminal 5 had already stuck.
Many times people ask me that question, ‘What happened to Terminal 4?
a representative for OHare International Terminaltold local news channel WGN9inChicago.
My answer to that is, Does it really matter?
As long as you know what terminal you’re going to, it doesn’t make much difference.