BA 709 then BA 348 at Heathrow
Zurich → London → Nice
Timetable, London time
11:10BA 709 from Zurich at the gate
15:50BA 348 to Nice leaves the gate
4 h 40 apart on the timetable
Today
From the airport’s board at 16:07 London time
12:40BA 709 reached the gate1 h 30 late
16:10BA 348 expected to leave the gate20 min late
3 h 30 between the gates, on these times
The last days
BA 709 and BA 348 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.