Originally Posted by Eastbay1K

From AS to TBIT now requires you to take a shuttle bus if you want to remain airside (as T5 is being demolished). Should you choose to do that, there used to be some multi-airline check-in kiosks on the airside walkway between T5 and TBIT - I don't know if they're still there or you can even transit that way right now, but if so, that would be my first attempt.