FR 1171 then FR 4908 at Fiumicino
Catania → Rome → Palermo
Timetable, Rome time
14:05FR 1171 from Catania at the gate
13:30FR 4908 to Palermo leaves the gate
23 h 25 apart on the timetable, overnight
FR 4908 leaves 23 h 25 after FR 1171 arrives on the timetable: more than half a day, so not a connection we count.