FR 612 then FR 5164 at Dublin
Killarney → Dublin → Bristol
Timetable, Dublin time
18:30FR 612 from Killarney at the gate
15:45FR 5164 to Bristol leaves the gate
21 h 15 apart on the timetable, overnight
FR 5164 leaves 21 h 15 after FR 612 arrives on the timetable: more than half a day, so not a connection we count.