Originally Posted by
WindowSeatFlyer
I know there's no room for it, and it would be a time-limited solution considering the new terminals being planned, but ORD building an airside ATS connection between T1/2/3 and T5 would have been nice.

It would become obsolete in not too many years, though. OW and *A will be consolidating all of their INTL flights into the new T2.