AZ 801 then FR 4856 at Fiumicino
Algiers → Rome → Catania
Timetable, Rome time
19:45AZ 801 from Algiers at the gate
14:00FR 4856 to Catania leaves the gate
18 h 15 apart on the timetable, overnight
FR 4856 leaves 18 h 15 after AZ 801 arrives on the timetable: more than half a day, so not a connection we count.