U2 7900 then KL 643 at Schiphol
Valencia → Amsterdam → New York JFK
Timetable, Amsterdam time
17:50U2 7900 from Valencia at the gate
17:05KL 643 to New York JFK leaves the gate
23 h 15 apart on the timetable, overnight
KL 643 leaves 23 h 15 after U2 7900 arrives on the timetable: more than half a day, so not a connection we count.