KL 1650 then U2 7851 at Schiphol
Firenze → Amsterdam → Manchester
Timetable, Amsterdam time
08:45KL 1650 from Firenze at the gate
08:00U2 7851 to Manchester leaves the gate
23 h 15 apart on the timetable, overnight
U2 7851 leaves 23 h 15 after KL 1650 arrives on the timetable: more than half a day, so not a connection we count.