BA 369 then BA 105 at Heathrow
Marseille → London → Dubai
Timetable, London time
16:45BA 369 from Marseille at the gate
20:00BA 105 to Dubai leaves the gate
3 h 15 apart on the timetable
Today
From the airport’s board at 05:33 London time
16:45BA 369 is cancelled
20:00BA 105 due to leave, no estimate yet
The last days
BA 369 and BA 105 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.