AA 1242 then DL 5630 at Boston
Washington National → Boston → Charlotte
Timetable, Boston time
12:22AA 1242 from Washington National at the gate
11:15DL 5630 to Charlotte leaves the gate
22 h 53 apart on the timetable, overnight
DL 5630 leaves 22 h 53 after AA 1242 arrives on the timetable: more than half a day, so not a connection we count.