KL 1672 then U2 2160 at Schiphol
Catania → Amsterdam → Manchester
Timetable, Amsterdam time
15:45KL 1672 from Catania at the gate
20:10U2 2160 to Manchester leaves the gate
4 h 25 apart on the timetable
The last days
KL 1672 and U2 2160 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.