BA 751 then BA 1310 at Heathrow
Geneva → London → Aberdeen
Timetable, London time
07:10BA 751 from Geneva at the gate
14:10BA 1310 to Aberdeen leaves the gate
7 h apart on the timetable
The last days
BA 751 and BA 1310 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.