GQ 311 then A3 734 at Athens
Samos → Athens → Tunis
Timetable, Athens time
15:40GQ 311 from Samos at the gate
08:00A3 734 to Tunis leaves the gate
16 h 20 apart on the timetable, overnight
A3 734 leaves 16 h 20 after GQ 311 arrives on the timetable: more than half a day, so not a connection we count.