OR 757 then KL 1709 at Schiphol
Willemstad → Amsterdam → Luxembourg
Timetable, Amsterdam time
12:55OR 757 from Willemstad at the gate
09:30KL 1709 to Luxembourg leaves the gate
20 h 35 apart on the timetable, overnight
KL 1709 leaves 20 h 35 after OR 757 arrives on the timetable: more than half a day, so not a connection we count.