FR 9611 then FR 4861 at Fiumicino
Dublin → Rome → Catania
Timetable, Rome time
12:25FR 9611 from Dublin at the gate
06:10FR 4861 to Catania leaves the gate
17 h 45 apart on the timetable, overnight
FR 4861 leaves 17 h 45 after FR 9611 arrives on the timetable: more than half a day, so not a connection we count.