EI 3401 then FR 1556 at Dublin
Donegal → Dublin → Manchester
Timetable, Dublin time
08:50EI 3401 from Donegal at the gate
21:25FR 1556 to Manchester leaves the gate
12 h 35 apart on the timetable
FR 1556 leaves 12 h 35 after EI 3401 arrives on the timetable: more than half a day, so not a connection we count.