TK 4951 then BJ 691 at Istanbul
Antalya → Istanbul → Tunis
Timetable, Istanbul time
15:15TK 4951 from Antalya at the gate
12:50BJ 691 to Tunis leaves the gate
21 h 35 apart on the timetable, overnight
BJ 691 leaves 21 h 35 after TK 4951 arrives on the timetable: more than half a day, so not a connection we count.