A3 981 then 6H 568 at Athens
Sofia → Athens → Tel Aviv
Timetable, Athens time
12:20A3 981 from Sofia at the gate
00:306H 568 to Tel Aviv leaves the gate
12 h 10 apart on the timetable, overnight
6H 568 leaves 12 h 10 after A3 981 arrives on the timetable: more than half a day, so not a connection we count.