FR 553 then EI 3408 at Dublin
Manchester → Dublin → Donegal
Timetable, Dublin time
19:45FR 553 from Manchester at the gate
18:50EI 3408 to Donegal leaves the gate
23 h 05 apart on the timetable, overnight
EI 3408 leaves 23 h 05 after FR 553 arrives on the timetable: more than half a day, so not a connection we count.