In the continuing attempt to empty T1 of flights pending redevelopment, BA shunts its last remaining flights to T5 and displaces some shorthaul to T3 over the summer.

Other airlines move to be closer to partners. With TAM merged with LAN it makes sense for it to go to T3 as it is in OneWorld and so there are plenty of lounges for its passengers.

Full details from Heathrow Airport here: