I've found that when the gate is printed on the ticket, it is rarely correct. Even more so for connecting flights. So in the end, I still have to look at screens until I am actually at the gate.
I've found this too. The terminal usually stays the same because they are contracted to specific airlines, but the gate is fluid. For example, my wife is flying home today and her arrival gate was only announced a couple of hours ago (she's taking off just about now).
