AA 4465 then DL 5630 at Boston
Washington National → Boston → Charlotte
Timetable, Boston time
11:44AA 4465 from Washington National at the gate
11:25DL 5630 to Charlotte leaves the gate
23 h 41 apart on the timetable, overnight
DL 5630 leaves 23 h 41 after AA 4465 arrives on the timetable: more than half a day, so not a connection we count.