KL 734 then U2 7851 at Schiphol
Willemstad → Amsterdam → Manchester
Timetable, Amsterdam time
10:00KL 734 from Willemstad at the gate
14:45U2 7851 to Manchester leaves the gate
4 h 45 apart on the timetable
The last days
KL 734 and U2 7851 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.