Barnaby From , joined Dec 1969, posts, RR:
Reply 1, posted (14 years 6 months 2 days 18 hours ago) and read 1520 times:
My guess is that most BA traffic to CDG/ORY, Moscow, TLV, and AMS is online stopover traffic. In other words, most pax on those flights will be coming from other international destinations so it makes sense to keep those flights in T4.
as for the T3 move...my guess is lack of space at T4.