AF 4191 then BA 301 at Charles de Gaulle
Cayenne → Paris → London Heathrow
Timetable, Paris time
05:40AF 4191 from Cayenne at the gate
10:10BA 301 to London Heathrow leaves the gate
4 h 30 apart on the timetable
Charles de Gaulle’s board gives an arrival time for only about 57% of its flights, so many days show no gate time.
The last days
AF 4191 and BA 301 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.