KL 423 then KL 733 at Schiphol
Ad Dammam → Amsterdam → Willemstad
Timetable, Amsterdam time
07:40KL 423 from Ad Dammam at the gate
13:05KL 733 to Willemstad leaves the gate
5 h 25 apart on the timetable
The last days
KL 423 and KL 733 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.