KL 672 then U2 7847 at Schiphol
Montréal → Amsterdam → Bristol
Timetable, Amsterdam time
08:20KL 672 from Montréal at the gate
15:00U2 7847 to Bristol leaves the gate
6 h 40 apart on the timetable
The last days
KL 672 and U2 7847 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.