AA 5564 then AA 1945 at Charlotte
Harrisburg → Charlotte → Mexico City
Timetable, Charlotte time
18:46AA 5564 from Harrisburg at the gate
18:45AA 1945 to Mexico City leaves the gate
23 h 59 apart on the timetable, overnight
AA 1945 leaves 23 h 59 after AA 5564 arrives on the timetable: more than half a day, so not a connection we count.