BA 250 then BA 732 at Heathrow
Santiago de Chile → London → Geneva
Timetable, London time
06:35BA 250 from Santiago de Chile at the gate
10:45BA 732 to Geneva leaves the gate
4 h 10 apart on the timetable
The last days
BA 250 and BA 732 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.