BA 717 then CX 8 at Heathrow
Zurich → London → Paris Charles de Gaulle
Timetable, London time
17:15BA 717 from Zurich at the gate
17:17CX 8 to Paris Charles de Gaulle leaves the gate
2 min apart on the timetable
The last days
BA 717 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.