AZ 867 then FR 4861 at Fiumicino
Tunis → Rome → Catania
Timetable, Rome time
20:35AZ 867 from Tunis at the gate
19:00FR 4861 to Catania leaves the gate
22 h 25 apart on the timetable, overnight
FR 4861 leaves 22 h 25 after AZ 867 arrives on the timetable: more than half a day, so not a connection we count.