FR 153 then FR 5306 at Dublin
Leeds → Dublin → Killarney
Timetable, Dublin time
10:50FR 153 from Leeds at the gate
09:05FR 5306 to Killarney leaves the gate
22 h 15 apart on the timetable, overnight
FR 5306 leaves 22 h 15 after FR 153 arrives on the timetable: more than half a day, so not a connection we count.