DL 5703 then DL 5622 at Boston
Baltimore → Boston → Richmond
Timetable, Boston time
10:41DL 5703 from Baltimore at the gate
08:50DL 5622 to Richmond leaves the gate
22 h 09 apart on the timetable, overnight
DL 5622 leaves 22 h 09 after DL 5703 arrives on the timetable: more than half a day, so not a connection we count.