AA 5599 then AA 2562 at Charlotte
Springfield → Charlotte → St Louis
Timetable, Charlotte time
20:54AA 5599 from Springfield at the gate
20:52AA 2562 to St Louis leaves the gate
23 h 58 apart on the timetable, overnight
AA 2562 leaves 23 h 58 after AA 5599 arrives on the timetable: more than half a day, so not a connection we count.