AA 5470 then AA 5818 at Charlotte
Huntsville → Charlotte → Columbia Metropolitan
Timetable, Charlotte time
10:14AA 5470 from Huntsville at the gate
22:50AA 5818 to Columbia Metropolitan leaves the gate
12 h 36 apart on the timetable
AA 5818 leaves 12 h 36 after AA 5470 arrives on the timetable: more than half a day, so not a connection we count.