AA 5370 then AA 5604 at Charlotte
Richmond → Charlotte → Springfield
Timetable, Charlotte time
12:50AA 5370 from Richmond at the gate
11:35AA 5604 to Springfield leaves the gate
22 h 45 apart on the timetable, overnight
AA 5604 leaves 22 h 45 after AA 5370 arrives on the timetable: more than half a day, so not a connection we count.