KL 962 then HV 6337 at Schiphol
Durham → Amsterdam → Valencia
Timetable, Amsterdam time
07:55KL 962 from Durham at the gate
07:25HV 6337 to Valencia leaves the gate
23 h 30 apart on the timetable, overnight
HV 6337 leaves 23 h 30 after KL 962 arrives on the timetable: more than half a day, so not a connection we count.