AA 5564 then AA 1757 at Charlotte
Harrisburg → Charlotte → Milwaukee
Timetable, Charlotte time
18:46AA 5564 from Harrisburg at the gate
16:38AA 1757 to Milwaukee leaves the gate
21 h 52 apart on the timetable, overnight
AA 1757 leaves 21 h 52 after AA 5564 arrives on the timetable: more than half a day, so not a connection we count.