EI 3401 then FR 506 at Dublin
Donegal → Dublin → Bristol
Timetable, Dublin time
08:50EI 3401 from Donegal at the gate
06:20FR 506 to Bristol leaves the gate
21 h 30 apart on the timetable, overnight
FR 506 leaves 21 h 30 after EI 3401 arrives on the timetable: more than half a day, so not a connection we count.