KL 775 then U2 7899 at Schiphol
Port of Spain → Amsterdam → Valencia
Timetable, Amsterdam time
12:00KL 775 from Port of Spain at the gate
16:10U2 7899 to Valencia leaves the gate
4 h 10 apart on the timetable
The last days
KL 775 and U2 7899 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.