KL 948 then HV 6867 at Schiphol
Belfast City → Amsterdam → Athens
Timetable, Amsterdam time
12:15KL 948 from Belfast City at the gate
06:55HV 6867 to Athens leaves the gate
18 h 40 apart on the timetable, overnight
HV 6867 leaves 18 h 40 after KL 948 arrives on the timetable: more than half a day, so not a connection we count.