ET 764 then GQ 670 at Athens
Addis Ababa → Athens → Istanbul
Timetable, Athens time
13:35ET 764 from Addis Ababa at the gate
07:00GQ 670 to Istanbul leaves the gate
17 h 25 apart on the timetable, overnight
GQ 670 leaves 17 h 25 after ET 764 arrives on the timetable: more than half a day, so not a connection we count.