AA 4364 then DL 5622 at Boston
New York JFK → Boston → Richmond
Timetable, Boston time
09:36AA 4364 from New York JFK at the gate
08:47DL 5622 to Richmond leaves the gate
23 h 11 apart on the timetable, overnight
DL 5622 leaves 23 h 11 after AA 4364 arrives on the timetable: more than half a day, so not a connection we count.