AA 5389 then AA 5506 at Charlotte
South Bend → Charlotte → Memphis
Timetable, Charlotte time
13:10AA 5389 from South Bend at the gate
12:22AA 5506 to Memphis leaves the gate
23 h 12 apart on the timetable, overnight
AA 5506 leaves 23 h 12 after AA 5389 arrives on the timetable: more than half a day, so not a connection we count.