KL 1374 then U2 2172 at Schiphol
Bucharest → Amsterdam → Manchester
Timetable, Amsterdam time
15:50KL 1374 from Bucharest at the gate
14:55U2 2172 to Manchester leaves the gate
23 h 05 apart on the timetable, overnight
U2 2172 leaves 23 h 05 after KL 1374 arrives on the timetable: more than half a day, so not a connection we count.