A3 735 then A3 318 at Athens
Tunis → Athens → Heraklion
Timetable, Athens time
18:45A3 735 from Tunis at the gate
16:50A3 318 to Heraklion leaves the gate
22 h 05 apart on the timetable, overnight
A3 318 leaves 22 h 05 after A3 735 arrives on the timetable: more than half a day, so not a connection we count.