Originally Posted by
AlphaTango
There might be a better way to do this, but what I use is an iPad app called AirportZoom. You know the departure gate for your flight, so look at the arrivals, and sort by gate number. Then track the flight that arrives an hour or so before yours departs.
The iOS App Flight Update Pro will show you the incoming flights for your gate with a single click. It's not perfect but is often accurate.