KL 777 then KL 1959 at Schiphol
Port of Spain → Amsterdam → Istanbul
Timetable, Amsterdam time
12:00KL 777 from Port of Spain at the gate
11:35KL 1959 to Istanbul leaves the gate
23 h 35 apart on the timetable, overnight
KL 1959 leaves 23 h 35 after KL 777 arrives on the timetable: more than half a day, so not a connection we count.