AC 874 then AF 9420 at Charles de Gaulle
Montréal → Paris → Toulouse
Timetable, Paris time
07:20AC 874 from Montréal at the gate
12:15AF 9420 to Toulouse leaves the gate
4 h 55 apart on the timetable
Charles de Gaulle’s board gives an arrival time for only about 51% of its flights, so many days show no gate time.
The last days
AC 874 and AF 9420 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.