AF 7529 then BA 311 at Charles de Gaulle
Brest → Paris → London Heathrow
Timetable, Paris time
12:20AF 7529 from Brest at the gate
16:25BA 311 to London Heathrow leaves the gate
4 h 05 apart on the timetable
Charles de Gaulle’s board gives an arrival time for only about 46% of its flights, so many days show no gate time.
The last days
AF 7529 and BA 311 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.