AA 6091 then AA 5599 at Charlotte
Fort Wayne → Charlotte → Springfield
Timetable, Charlotte time
16:39AA 6091 from Fort Wayne at the gate
15:42AA 5599 to Springfield leaves the gate
23 h 03 apart on the timetable, overnight
AA 5599 leaves 23 h 03 after AA 6091 arrives on the timetable: more than half a day, so not a connection we count.