KL 9864 then KL 641 at Schiphol
Brussels → Amsterdam → New York JFK
Timetable, Amsterdam time
13:32KL 9864 from Brussels at the gate
12:50KL 641 to New York JFK leaves the gate
23 h 18 apart on the timetable, overnight
KL 641 leaves 23 h 18 after KL 9864 arrives on the timetable: more than half a day, so not a connection we count.