BA 446 then U2 2172 at Schiphol
London Heathrow → Amsterdam → Manchester
Timetable, Amsterdam time
20:10BA 446 from London Heathrow at the gate
14:55U2 2172 to Manchester leaves the gate
18 h 45 apart on the timetable, overnight
U2 2172 leaves 18 h 45 after BA 446 arrives on the timetable: more than half a day, so not a connection we count.