DL 5632 then DL 5622 at Boston
Jacksonville → Boston → Richmond
Timetable, Boston time
09:49DL 5632 from Jacksonville at the gate
08:50DL 5622 to Richmond leaves the gate
23 h 01 apart on the timetable, overnight
DL 5622 leaves 23 h 01 after DL 5632 arrives on the timetable: more than half a day, so not a connection we count.