Originally Posted by
hsmall
On the subject of gate info generally, I frequently ask at checkin/bagdrop for the gate as the BA person knows it. I make it clear that I am not holding them to this and it is my responsibility to check. I generally get an answer well ahead of the airport or terminal screens and it is 80% of the time (I estimate) right...
you can now get intended gate info from ba wayfinder
https://wayfinding.maps.ba.com/departing
its available from around 3 days before the flight, but you can see it change a lot as gates allocation is dynamic, one aircraft pushing back late can cause a lot of changes