AA 5199 then DL 5630 at Charlotte
Gulfport → Charlotte → Boston
Timetable, Charlotte time
16:46AA 5199 from Gulfport at the gate
14:37DL 5630 to Boston leaves the gate
21 h 51 apart on the timetable, overnight
DL 5630 leaves 21 h 51 after AA 5199 arrives on the timetable: more than half a day, so not a connection we count.