AA 5118 then AA 6065 at Charlotte
Knoxville → Charlotte → Huntsville
Timetable, Charlotte time
09:41AA 5118 from Knoxville at the gate
21:50AA 6065 to Huntsville leaves the gate
12 h 09 apart on the timetable
AA 6065 leaves 12 h 09 after AA 5118 arrives on the timetable: more than half a day, so not a connection we count.