FR 553 then FR 5306 at Dublin
Manchester → Dublin → Killarney
Timetable, Dublin time
16:00FR 553 from Manchester at the gate
09:05FR 5306 to Killarney leaves the gate
17 h 05 apart on the timetable, overnight
FR 5306 leaves 17 h 05 after FR 553 arrives on the timetable: more than half a day, so not a connection we count.