TK 4951 then TK 2746 at Istanbul
Antalya → Istanbul → Van
Timetable, Istanbul time
14:40TK 4951 from Antalya at the gate
09:10TK 2746 to Van leaves the gate
18 h 30 apart on the timetable, overnight
TK 2746 leaves 18 h 30 after TK 4951 arrives on the timetable: more than half a day, so not a connection we count.