AA 5550 then AA 5506 at Charlotte
Detroit → Charlotte → Memphis
Timetable, Charlotte time
12:25AA 5550 from Detroit at the gate
12:22AA 5506 to Memphis leaves the gate
23 h 57 apart on the timetable, overnight
AA 5506 leaves 23 h 57 after AA 5550 arrives on the timetable: more than half a day, so not a connection we count.