ET 764 then GQ 242 at Athens
Addis Ababa → Athens → Chios
Timetable, Athens time
13:35ET 764 from Addis Ababa at the gate
11:00GQ 242 to Chios leaves the gate
21 h 25 apart on the timetable, overnight
GQ 242 leaves 21 h 25 after ET 764 arrives on the timetable: more than half a day, so not a connection we count.