AA 5825 then AA 2937 at Charlotte
Knoxville → Charlotte → St Louis
Timetable, Charlotte time
17:36AA 5825 from Knoxville at the gate
16:28AA 2937 to St Louis leaves the gate
22 h 52 apart on the timetable, overnight
AA 2937 leaves 22 h 52 after AA 5825 arrives on the timetable: more than half a day, so not a connection we count.