TK 410 then JU 423 at Istanbul
Moscow Vnukovo → Istanbul → Belgrade
Timetable, Istanbul time
04:50TK 410 from Moscow Vnukovo at the gate
17:45JU 423 to Belgrade leaves the gate
12 h 55 apart on the timetable
JU 423 leaves 12 h 55 after TK 410 arrives on the timetable: more than half a day, so not a connection we count.