U2 7900 then KL 1315 at Schiphol
Valencia → Amsterdam → Warsaw
Timetable, Amsterdam time
17:50U2 7900 from Valencia at the gate
14:20KL 1315 to Warsaw leaves the gate
20 h 30 apart on the timetable, overnight
KL 1315 leaves 20 h 30 after U2 7900 arrives on the timetable: more than half a day, so not a connection we count.