AA 1992 then AA 5139 at Charlotte
St Louis → Charlotte → Birmingham (Alabama)
Timetable, Charlotte time
13:29AA 1992 from St Louis at the gate
08:40AA 5139 to Birmingham (Alabama) leaves the gate
19 h 11 apart on the timetable, overnight
AA 5139 leaves 19 h 11 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.