FR 4855 then XZ 2341 at Fiumicino
Catania → Rome → Cagliari
Timetable, Rome time
23:59FR 4855 from Catania at the gate
13:00XZ 2341 to Cagliari leaves the gate
13 h 01 apart on the timetable, overnight
XZ 2341 leaves 13 h 01 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.