DE 4309 then LH 780 at Frankfurt
Tel Aviv → Frankfurt am Main → Singapore
Timetable, Frankfurt am Main time
09:00DE 4309 from Tel Aviv at the gate
21:40LH 780 to Singapore leaves the gate
12 h 40 apart on the timetable
LH 780 leaves 12 h 40 after DE 4309 arrives on the timetable: more than half a day, so not a connection we count.