AA 5878 then AA 829 at Charlotte
Salisbury → Charlotte → Mexico City
Timetable, Charlotte time
10:40AA 5878 from Salisbury at the gate
09:32AA 829 to Mexico City leaves the gate
22 h 52 apart on the timetable, overnight
AA 829 leaves 22 h 52 after AA 5878 arrives on the timetable: more than half a day, so not a connection we count.