AA 5506 then DL 5630 at Charlotte
Gainesville → Charlotte → Boston
Timetable, Charlotte time
19:40AA 5506 from Gainesville at the gate
14:37DL 5630 to Boston leaves the gate
18 h 57 apart on the timetable, overnight
DL 5630 leaves 18 h 57 after AA 5506 arrives on the timetable: more than half a day, so not a connection we count.