A3 315 then GQ 830 at Athens
Heraklion → Athens → Milan
Timetable, Athens time
15:50A3 315 from Heraklion at the gate
14:15GQ 830 to Milan leaves the gate
22 h 25 apart on the timetable, overnight
GQ 830 leaves 22 h 25 after A3 315 arrives on the timetable: more than half a day, so not a connection we count.