TK 2749 then A3 435 at Istanbul
Van → Istanbul → Heraklion
Timetable, Istanbul time
17:40TK 2749 from Van at the gate
15:50A3 435 to Heraklion leaves the gate
22 h 10 apart on the timetable, overnight
A3 435 leaves 22 h 10 after TK 2749 arrives on the timetable: more than half a day, so not a connection we count.