AA 1642 then AA 2937 at Charlotte
Greenville-Spartanburg → Charlotte → St Louis
Timetable, Charlotte time
17:01AA 1642 from Greenville-Spartanburg at the gate
16:28AA 2937 to St Louis leaves the gate
23 h 27 apart on the timetable, overnight
AA 2937 leaves 23 h 27 after AA 1642 arrives on the timetable: more than half a day, so not a connection we count.