DL 46 then HV 5951 at Schiphol
New York JFK → Amsterdam → Lisbon
Timetable, Amsterdam time
12:00DL 46 from New York JFK at the gate
06:50HV 5951 to Lisbon leaves the gate
18 h 50 apart on the timetable, overnight
HV 5951 leaves 18 h 50 after DL 46 arrives on the timetable: more than half a day, so not a connection we count.