TU 752 then AZ 1711 at Fiumicino
Tunis → Rome → Catania
Timetable, Rome time
14:25TU 752 from Tunis at the gate
12:05AZ 1711 to Catania leaves the gate
21 h 40 apart on the timetable, overnight
AZ 1711 leaves 21 h 40 after TU 752 arrives on the timetable: more than half a day, so not a connection we count.