LY 543 then JU 533 at Athens
Tel Aviv → Athens → Belgrade
Timetable, Athens time
21:20LY 543 from Tel Aviv at the gate
15:50JU 533 to Belgrade leaves the gate
18 h 30 apart on the timetable, overnight
JU 533 leaves 18 h 30 after LY 543 arrives on the timetable: more than half a day, so not a connection we count.