FR 4855 then XZ 2337 at Fiumicino
Catania → Rome → Cagliari
Timetable, Rome time
19:35FR 4855 from Catania at the gate
09:00XZ 2337 to Cagliari leaves the gate
13 h 25 apart on the timetable, overnight
XZ 2337 leaves 13 h 25 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.