A
1968 BOAC timetable shows a Super VC10 trip from New York to London: departure 02:00 GMT, arrival 08:40 GMT. For the opposite direction the scheduled trip time is one hour longer.
In comparison a B707 (taken from a
1966 timetable) is planned for a 9:00 departure from New York (EST, so this would be 14:00 GMT) and scheduled to arrive in London at 20:30 GMT, 10 minutes less than in the VC10 planning.