KL 734 then HV 6867 at Schiphol
Willemstad → Amsterdam → Athens
Timetable, Amsterdam time
10:00KL 734 from Willemstad at the gate
07:00HV 6867 to Athens leaves the gate
21 h apart on the timetable, overnight
HV 6867 leaves 21 h after KL 734 arrives on the timetable: more than half a day, so not a connection we count.