KL 767 then U2 7899 at Schiphol
Kralendijk → Amsterdam → Valencia
Timetable, Amsterdam time
11:45KL 767 from Kralendijk at the gate
07:00U2 7899 to Valencia leaves the gate
19 h 15 apart on the timetable, overnight
U2 7899 leaves 19 h 15 after KL 767 arrives on the timetable: more than half a day, so not a connection we count.