FR 6817 then U2 709 at Manchester
Milan → Manchester → Belfast International
Timetable, Manchester time
21:00FR 6817 from Milan at the gate
12:40U2 709 to Belfast International leaves the gate
15 h 40 apart on the timetable, overnight
U2 709 leaves 15 h 40 after FR 6817 arrives on the timetable: more than half a day, so not a connection we count.