DL 5680 then DL 256 at Boston
Pittsburgh → Boston → Amsterdam
Timetable, Boston time
20:47DL 5680 from Pittsburgh at the gate
19:25DL 256 to Amsterdam leaves the gate
22 h 38 apart on the timetable, overnight
DL 256 leaves 22 h 38 after DL 5680 arrives on the timetable: more than half a day, so not a connection we count.