UA 909 then U2 2168 at Schiphol
Chicago → Amsterdam → Manchester
Timetable, Amsterdam time
09:35UA 909 from Chicago at the gate
21:45U2 2168 to Manchester leaves the gate
12 h 10 apart on the timetable
U2 2168 leaves 12 h 10 after UA 909 arrives on the timetable: more than half a day, so not a connection we count.