AA 1992 then AA 829 at Charlotte
St Louis → Charlotte → Mexico City
Timetable, Charlotte time
13:14AA 1992 from St Louis at the gate
09:32AA 829 to Mexico City leaves the gate
20 h 18 apart on the timetable, overnight
AA 829 leaves 20 h 18 after AA 1992 arrives on the timetable: more than half a day, so not a connection we count.