TK 4951 then TK 6996 at Istanbul
Antalya → Istanbul → Diyarbakir
Timetable, Istanbul time
14:40TK 4951 from Antalya at the gate
09:30TK 6996 to Diyarbakir leaves the gate
18 h 50 apart on the timetable, overnight
TK 6996 leaves 18 h 50 after TK 4951 arrives on the timetable: more than half a day, so not a connection we count.