AA 1951 then DL 5622 at Boston
Chicago O'Hare → Boston → Richmond
Timetable, Boston time
09:29AA 1951 from Chicago O'Hare at the gate
08:50DL 5622 to Richmond leaves the gate
23 h 21 apart on the timetable, overnight
DL 5622 leaves 23 h 21 after AA 1951 arrives on the timetable: more than half a day, so not a connection we count.