DL 256 then HV 6335 at Schiphol
Boston → Amsterdam → Valencia
Timetable, Amsterdam time
08:15DL 256 from Boston at the gate
07:10HV 6335 to Valencia leaves the gate
22 h 55 apart on the timetable, overnight
HV 6335 leaves 22 h 55 after DL 256 arrives on the timetable: more than half a day, so not a connection we count.