GQ 219 then A3 990 at Athens
Heraklion → Athens → Istanbul
Timetable, Athens time
12:20GQ 219 from Heraklion at the gate
08:00A3 990 to Istanbul leaves the gate
19 h 40 apart on the timetable, overnight
A3 990 leaves 19 h 40 after GQ 219 arrives on the timetable: more than half a day, so not a connection we count.