B6 316 then KL 642 at JFK
San Francisco → New York → Amsterdam
Timetable, New York time
17:39B6 316 from San Francisco at the gate
17:00KL 642 to Amsterdam leaves the gate
23 h 21 apart on the timetable, overnight
KL 642 leaves 23 h 21 after B6 316 arrives on the timetable: more than half a day, so not a connection we count.