AA 5072 then AA 5078 at Charlotte
Richmond → Charlotte → Birmingham (Alabama)
Timetable, Charlotte time
16:12AA 5072 from Richmond at the gate
12:25AA 5078 to Birmingham (Alabama) leaves the gate
20 h 13 apart on the timetable, overnight
AA 5078 leaves 20 h 13 after AA 5072 arrives on the timetable: more than half a day, so not a connection we count.