AA 5506 then AA 2813 at Charlotte
Gainesville → Charlotte → Boston
Timetable, Charlotte time
19:40AA 5506 from Gainesville at the gate
18:40AA 2813 to Boston leaves the gate
23 h apart on the timetable, overnight
AA 2813 leaves 23 h after AA 5506 arrives on the timetable: more than half a day, so not a connection we count.