KL 787 then U2 7899 at Schiphol
Port of Spain → Amsterdam → Valencia
Timetable, Amsterdam time
09:00KL 787 from Port of Spain at the gate
07:00U2 7899 to Valencia leaves the gate
22 h apart on the timetable, overnight
U2 7899 leaves 22 h after KL 787 arrives on the timetable: more than half a day, so not a connection we count.