A3 735 then A3 672 at Athens
Tunis → Athens → Catania
Timetable, Athens time
18:45A3 735 from Tunis at the gate
15:05A3 672 to Catania leaves the gate
20 h 20 apart on the timetable, overnight
A3 672 leaves 20 h 20 after A3 735 arrives on the timetable: more than half a day, so not a connection we count.