KL 417 then HV 6867 at Schiphol
Ad Dammam → Amsterdam → Athens
Timetable, Amsterdam time
07:40KL 417 from Ad Dammam at the gate
07:00HV 6867 to Athens leaves the gate
23 h 20 apart on the timetable, overnight
HV 6867 leaves 23 h 20 after KL 417 arrives on the timetable: more than half a day, so not a connection we count.