FR 4855 then AZ 1785 at Fiumicino
Catania → Rome → Palermo
Timetable, Rome time
17:10FR 4855 from Catania at the gate
10:40AZ 1785 to Palermo leaves the gate
17 h 30 apart on the timetable, overnight
AZ 1785 leaves 17 h 30 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.