Originally Posted by
DaveReidUK
Looking at the stats for the last couple of months, they are pretty grim though - fewer than two-thirds of BA's Heathrow-Belfast flights were airborne within half-an-hour of the STD.
Surely though the key metric is
arrival punctuality? Block times for departures from Heathrow to anywhere are usually padded to account for the inevitable delays queuing for take-off etc., so still being on the ground within 30 minutes of STD doesn't automatically imply a correspondingly late arrival.