AA 1992 then AA 3091 at Charlotte
St Louis → Charlotte → Nashville
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
11:55AA 3091 to Nashville leaves the gate
22 h 41 apart on the timetable, overnight
AA 3091 leaves 22 h 41 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.