Originally Posted by
JDiver
There are no transatlantic flights on BA from T-3 I know of; those should depart T-5. Please check your itinerary and post your flights (including marketed by and operated by). To catch an AA flight, it can be a long walk- iirc the farthest could be over fifteen minutes, and you could have secondary security at the gate too..
I'll politely point out that BA flights to DEN, LAS, MIA, and YVR do depart out of T3--I believe these flights started departing out of T3 with the latest switches late last year. In either case, the point about the furthest gates being a good walk from the AC still holds.