FR 4903 then FR 4858 at Fiumicino
Palermo → Rome → Catania
Timetable, Rome time
14:40FR 4903 from Palermo at the gate
12:45FR 4858 to Catania leaves the gate
22 h 05 apart on the timetable, overnight
FR 4858 leaves 22 h 05 after FR 4903 arrives on the timetable: more than half a day, so not a connection we count.