OR 757 then KL 1651 at Schiphol
Willemstad → Amsterdam → Firenze
Timetable, Amsterdam time
12:55OR 757 from Willemstad at the gate
08:45KL 1651 to Firenze leaves the gate
19 h 50 apart on the timetable, overnight
KL 1651 leaves 19 h 50 after OR 757 arrives on the timetable: more than half a day, so not a connection we count.