TK 6943 then TK 2752 at Istanbul
Antalya → Istanbul → Van
Timetable, Istanbul time
22:50TK 6943 from Antalya at the gate
17:00TK 2752 to Van leaves the gate
18 h 10 apart on the timetable, overnight
TK 2752 leaves 18 h 10 after TK 6943 arrives on the timetable: more than half a day, so not a connection we count.