A3 307 then A3 670 at Athens
Heraklion → Athens → Venezia
Timetable, Athens time
12:20A3 307 from Heraklion at the gate
10:30A3 670 to Venezia leaves the gate
22 h 10 apart on the timetable, overnight
A3 670 leaves 22 h 10 after A3 307 arrives on the timetable: more than half a day, so not a connection we count.