AA 5104 then AA 6006 at Charlotte
South Bend → Charlotte → Huntsville
Timetable, Charlotte time
09:34AA 5104 from South Bend at the gate
09:20AA 6006 to Huntsville leaves the gate
23 h 46 apart on the timetable, overnight
AA 6006 leaves 23 h 46 after AA 5104 arrives on the timetable: more than half a day, so not a connection we count.