HV 5956 then KL 643 at Schiphol
Lisbon → Amsterdam → New York JFK
Timetable, Amsterdam time
23:45HV 5956 from Lisbon at the gate
17:05KL 643 to New York JFK leaves the gate
17 h 20 apart on the timetable, overnight
KL 643 leaves 17 h 20 after HV 5956 arrives on the timetable: more than half a day, so not a connection we count.