AA 1015 then DL 5630 at Boston
Washington National → Boston → Charlotte
Timetable, Boston time
12:14AA 1015 from Washington National at the gate
11:15DL 5630 to Charlotte leaves the gate
23 h 01 apart on the timetable, overnight
DL 5630 leaves 23 h 01 after AA 1015 arrives on the timetable: more than half a day, so not a connection we count.