A3 271 then A3 320 at Athens
Chios → Athens → Heraklion
Timetable, Athens time
07:55A3 271 from Chios at the gate
20:20A3 320 to Heraklion leaves the gate
12 h 25 apart on the timetable
A3 320 leaves 12 h 25 after A3 271 arrives on the timetable: more than half a day, so not a connection we count.