FR 663 then FR 5306 at Dublin
Birmingham (UK) → Dublin → Killarney
Timetable, Dublin time
19:30FR 663 from Birmingham (UK) at the gate
09:05FR 5306 to Killarney leaves the gate
13 h 35 apart on the timetable, overnight
FR 5306 leaves 13 h 35 after FR 663 arrives on the timetable: more than half a day, so not a connection we count.