TK 656 then JU 423 at Istanbul
Algiers → Istanbul → Belgrade
Timetable, Istanbul time
05:15TK 656 from Algiers at the gate
17:45JU 423 to Belgrade leaves the gate
12 h 30 apart on the timetable
JU 423 leaves 12 h 30 after TK 656 arrives on the timetable: more than half a day, so not a connection we count.