GQ 820 then AZ 800 at Fiumicino
Athens → Rome → Algiers
Timetable, Rome time
12:00GQ 820 from Athens at the gate
09:20AZ 800 to Algiers leaves the gate
21 h 20 apart on the timetable, overnight
AZ 800 leaves 21 h 20 after GQ 820 arrives on the timetable: more than half a day, so not a connection we count.