A3 735 then ET 765 at Athens
Tunis → Athens → Addis Ababa
Timetable, Athens time
18:45A3 735 from Tunis at the gate
14:20ET 765 to Addis Ababa leaves the gate
19 h 35 apart on the timetable, overnight
ET 765 leaves 19 h 35 after A3 735 arrives on the timetable: more than half a day, so not a connection we count.