AC 854 then CX 8 at Heathrow
Toronto → London → Paris Charles de Gaulle
Timetable, London time
06:30AC 854 from Toronto at the gate
17:17CX 8 to Paris Charles de Gaulle leaves the gate
10 h 47 apart on the timetable
The last days
AC 854 and CX 8 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.