A3 923 then A3 992 at Athens
Tel Aviv → Athens → Istanbul
Timetable, Athens time
17:15A3 923 from Tel Aviv at the gate
13:10A3 992 to Istanbul leaves the gate
19 h 55 apart on the timetable, overnight
A3 992 leaves 19 h 55 after A3 923 arrives on the timetable: more than half a day, so not a connection we count.