AA 1107 then AA 5604 at Charlotte
Harrisburg → Charlotte → Springfield
Timetable, Charlotte time
11:53AA 1107 from Harrisburg at the gate
11:35AA 5604 to Springfield leaves the gate
23 h 42 apart on the timetable, overnight
AA 5604 leaves 23 h 42 after AA 1107 arrives on the timetable: more than half a day, so not a connection we count.