GQ 311 then A3 316 at Athens
Samos → Athens → Heraklion
Timetable, Athens time
15:40GQ 311 from Samos at the gate
15:30A3 316 to Heraklion leaves the gate
23 h 50 apart on the timetable, overnight
A3 316 leaves 23 h 50 after GQ 311 arrives on the timetable: more than half a day, so not a connection we count.