KL 9872 then U2 7855 at Schiphol
Brussels → Amsterdam → Manchester
Timetable, Amsterdam time
12:55KL 9872 from Brussels at the gate
18:45U2 7855 to Manchester leaves the gate
5 h 50 apart on the timetable
The last days
KL 9872 and U2 7855 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.