A3 315 then EC 3656 at Athens
Heraklion → Athens → Milan
Timetable, Athens time
15:50A3 315 from Heraklion at the gate
11:10EC 3656 to Milan leaves the gate
19 h 20 apart on the timetable, overnight
EC 3656 leaves 19 h 20 after A3 315 arrives on the timetable: more than half a day, so not a connection we count.