DL 256 then U2 7899 at Schiphol
Boston → Amsterdam → Valencia
Timetable, Amsterdam time
08:15DL 256 from Boston at the gate
07:00U2 7899 to Valencia leaves the gate
22 h 45 apart on the timetable, overnight
U2 7899 leaves 22 h 45 after DL 256 arrives on the timetable: more than half a day, so not a connection we count.