U2 7900 then KL 1317 at Schiphol
Valencia → Amsterdam → Warsaw
Timetable, Amsterdam time
17:50U2 7900 from Valencia at the gate
17:00KL 1317 to Warsaw leaves the gate
23 h 10 apart on the timetable, overnight
KL 1317 leaves 23 h 10 after U2 7900 arrives on the timetable: more than half a day, so not a connection we count.