Any big difference in FC seat/service on a 747 or 777 from westcoast USA to LHR?
Have the opportunity to fly BA SEA-LHR FC and there are several equipment options including a 747 and a 777. I always had intended to fly the 747 but the times and connections might be slightly better with the 777 departure.
I could also fly one type of plane inbound and try the other outbound......