AA 5238 then AA 2937 at Charlotte
Norfolk → Charlotte → St Louis
Timetable, Charlotte time
17:21AA 5238 from Norfolk at the gate
16:28AA 2937 to St Louis leaves the gate
23 h 07 apart on the timetable, overnight
AA 2937 leaves 23 h 07 after AA 5238 arrives on the timetable: more than half a day, so not a connection we count.