FR 4855 then AZ 864 at Fiumicino
Catania → Rome → Tunis
Timetable, Rome time
17:10FR 4855 from Catania at the gate
09:15AZ 864 to Tunis leaves the gate
16 h 05 apart on the timetable, overnight
AZ 864 leaves 16 h 05 after FR 4855 arrives on the timetable: more than half a day, so not a connection we count.