EI 3403 then EI 3228 at Dublin
Donegal → Dublin → Glasgow
Timetable, Dublin time
15:30EI 3403 from Donegal at the gate
15:25EI 3228 to Glasgow leaves the gate
23 h 55 apart on the timetable, overnight
EI 3228 leaves 23 h 55 after EI 3403 arrives on the timetable: more than half a day, so not a connection we count.