DL 5680 then KL 618 at Boston
Pittsburgh → Boston → Amsterdam
Timetable, Boston time
21:00DL 5680 from Pittsburgh at the gate
20:55KL 618 to Amsterdam leaves the gate
23 h 55 apart on the timetable, overnight
KL 618 leaves 23 h 55 after DL 5680 arrives on the timetable: more than half a day, so not a connection we count.