FB 807 then LH 1755 at Athens
Sofia → Athens → Munich
Timetable, Athens time
19:50FB 807 from Sofia at the gate
19:15LH 1755 to Munich leaves the gate
23 h 25 apart on the timetable, overnight
LH 1755 leaves 23 h 25 after FB 807 arrives on the timetable: more than half a day, so not a connection we count.