Originally Posted by
Stripe
You don't have to re-clear security when arriving in LHR on a UK domestic flight, correct? I would think 1:20 would be plenty. No amount of connection time can completely insulate you from delays and other operational problems.
correct. If arriving on a domestic flight in to T5 and connecting on to any other T5 flight there is no security needed, just a bp check and you are then up in to the airside departures area.