B6 600 then DL 5622 at Boston
New Orleans → Boston → Richmond
Timetable, Boston time
10:12B6 600 from New Orleans at the gate
08:50DL 5622 to Richmond leaves the gate
22 h 38 apart on the timetable, overnight
DL 5622 leaves 22 h 38 after B6 600 arrives on the timetable: more than half a day, so not a connection we count.