FR 6843 then U2 707 at Manchester
Prague → Manchester → Belfast International
Timetable, Manchester time
22:55FR 6843 from Prague at the gate
19:40U2 707 to Belfast International leaves the gate
20 h 45 apart on the timetable, overnight
U2 707 leaves 20 h 45 after FR 6843 arrives on the timetable: more than half a day, so not a connection we count.