DL 5703 then B6 2355 at Boston
Baltimore → Boston → Washington National
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
09:22B6 2355 to Washington National leaves the gate
22 h 41 apart on the timetable, overnight
B6 2355 leaves 22 h 41 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.