TK 177 then JU 423 at Istanbul
Mauritius → Istanbul → Belgrade
Timetable, Istanbul time
05:20TK 177 from Mauritius at the gate
17:45JU 423 to Belgrade leaves the gate
12 h 25 apart on the timetable
JU 423 leaves 12 h 25 after TK 177 arrives on the timetable: more than half a day, so not a connection we count.