FB 437 then TU 745 at Frankfurt
Sofia → Frankfurt am Main → Tunis
Timetable, Frankfurt am Main time
13:15FB 437 from Sofia at the gate
11:30TU 745 to Tunis leaves the gate
22 h 15 apart on the timetable, overnight
TU 745 leaves 22 h 15 after FB 437 arrives on the timetable: more than half a day, so not a connection we count.