AZ 863 then FR 1198 at Fiumicino
Tunis → Rome → Athens
Timetable, Rome time
12:50AZ 863 from Tunis at the gate
12:10FR 1198 to Athens leaves the gate
23 h 20 apart on the timetable, overnight
FR 1198 leaves 23 h 20 after AZ 863 arrives on the timetable: more than half a day, so not a connection we count.