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Heathrow follow-up question

Reading the Heathrow info has me nervous now...I just booked a Madrid-SFO trip from B.A. that arrives in London at 10:05 (terminal 3)and leaves for S.F.O. at 11:35 from terminal 5. This was booked directly through B.A. before I read this site. Terminal 3 to 5... will I need to go through a full security again?, and is 1:30 realistic?....or, should I re-consider? Any advice appreciated.

Posted by
16283 posts

Heathrow Airport suggests 120 minutes

Connecting From Terminal 3 to Terminal 5

Posted by
47 posts

Thanks for the advice...B.A. says it is sufficient time and that it'd charge $275 each to change to the next SFO flight (2 hrs. later).

Guess I'm going to make the hour and a half work. Sounds like it should in theory....just have to hope it's not a "bad day" at Heathrow!

Posted by
16283 posts

Don't worry about it....if you miss the connection due to your first flight being late or lines at security, BA will take care of you.