A3 751 then GQ 670 at Athens
Copenhagen → Athens → Istanbul
Timetable, Athens time
15:45A3 751 from Copenhagen at the gate
07:00GQ 670 to Istanbul leaves the gate
15 h 15 apart on the timetable, overnight
GQ 670 leaves 15 h 15 after A3 751 arrives on the timetable: more than half a day, so not a connection we count.