Originally Posted by o mikros

Question for the experienced: if I have a week-long stopover in the US, am I allowed to nest a ticket to fly from my stopover point, or is UA going to pick up on that and bust me? I'm considering an ORD stopover but might want to head to PIT for a couple days.

Would it "help" if I flew out of MKE for my nested ticket or is any travel during the stopover forbidden?