A3 303 then TK 1848 at Athens
Heraklion → Athens → Istanbul
Timetable, Athens time
08:55A3 303 from Heraklion at the gate
06:55TK 1848 to Istanbul leaves the gate
22 h apart on the timetable, overnight
TK 1848 leaves 22 h after A3 303 arrives on the timetable: more than half a day, so not a connection we count.