Originally Posted by
WineCountryUA
The AirTrain travel time is under 5 mins (including the stop at T2). AirTrain runs about every 5 minutes. Clearing Security allow 5 -25 minutes or more dependting on time of day and status
Easier to walk, and perhaps the same total elapsed time (if you are able-bodied). The airport is essentially a loop, so you can go left and walk through the int'l terminal to T-3, or go right and walk through T-2. Both end up at T-3.