AA 1992 then AA 6099 at Charlotte
St Louis → Charlotte → Greenville-Spartanburg
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
12:15AA 6099 to Greenville-Spartanburg leaves the gate
23 h 01 apart on the timetable, overnight
AA 6099 leaves 23 h 01 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.