A3 303 then W6 2442 at Athens
Heraklion → Athens → Budapest
Timetable, Athens time
09:00A3 303 from Heraklion at the gate
21:45W6 2442 to Budapest leaves the gate
12 h 45 apart on the timetable
W6 2442 leaves 12 h 45 after A3 303 arrives on the timetable: more than half a day, so not a connection we count.