FR 5404 then FR 5306 at Dublin
Corvera → Dublin → Killarney
Timetable, Dublin time
12:15FR 5404 from Corvera at the gate
09:05FR 5306 to Killarney leaves the gate
20 h 50 apart on the timetable, overnight
FR 5306 leaves 20 h 50 after FR 5404 arrives on the timetable: more than half a day, so not a connection we count.