HV 6868 then KL 1713 at Schiphol
Athens → Amsterdam → Luxembourg
Timetable, Amsterdam time
23:20HV 6868 from Athens at the gate
16:50KL 1713 to Luxembourg leaves the gate
17 h 30 apart on the timetable, overnight
KL 1713 leaves 17 h 30 after HV 6868 arrives on the timetable: more than half a day, so not a connection we count.