AA 5585 then AA 1945 at Charlotte
Louisville → Charlotte → Mexico City
Timetable, Charlotte time
19:21AA 5585 from Louisville at the gate
18:45AA 1945 to Mexico City leaves the gate
23 h 24 apart on the timetable, overnight
AA 1945 leaves 23 h 24 after AA 5585 arrives on the timetable: more than half a day, so not a connection we count.