OR 757 then KL 1653 at Schiphol
Willemstad → Amsterdam → Firenze
Timetable, Amsterdam time
12:55OR 757 from Willemstad at the gate
10:25KL 1653 to Firenze leaves the gate
21 h 30 apart on the timetable, overnight
KL 1653 leaves 21 h 30 after OR 757 arrives on the timetable: more than half a day, so not a connection we count.