AA 2358 then AA 5506 at Charlotte
Boston → Charlotte → Memphis
Timetable, Charlotte time
12:56AA 2358 from Boston at the gate
12:22AA 5506 to Memphis leaves the gate
23 h 26 apart on the timetable, overnight
AA 5506 leaves 23 h 26 after AA 2358 arrives on the timetable: more than half a day, so not a connection we count.