EI 3618 then FR 559 at Manchester
Belfast City → Manchester → Dublin
Timetable, Manchester time
19:25EI 3618 from Belfast City at the gate
14:40FR 559 to Dublin leaves the gate
19 h 15 apart on the timetable, overnight
FR 559 leaves 19 h 15 after EI 3618 arrives on the timetable: more than half a day, so not a connection we count.