Originally Posted by jpnwa
They do move you through quick and hold the plane if your delayed, but I would advise going straight to the gate to verify the flight time. I have found that the posted flight times are earlier than what is says on your BP and itinerary.
In NRT they post the flight times as departing 15 minutes earlier than actually scheduled to ensure on-time departures. Last-minute boarders may be subjected to a random security check at the gate.
A tip: When boarding, don't be one of the first four people to board the aircraft in NRT. You will definitely be pulled aside for a "random" security check. If your number five you will be the first one on board.