AA 2582 then DL 5665 at Boston
Miami → Boston → Richmond
Timetable, Boston time
15:50AA 2582 from Miami at the gate
15:35DL 5665 to Richmond leaves the gate
23 h 45 apart on the timetable, overnight
DL 5665 leaves 23 h 45 after AA 2582 arrives on the timetable: more than half a day, so not a connection we count.