AA 1794 then AA 5139 at Charlotte
Nashville → Charlotte → Birmingham (Alabama)
Timetable, Charlotte time
09:02AA 1794 from Nashville at the gate
08:40AA 5139 to Birmingham (Alabama) leaves the gate
23 h 38 apart on the timetable, overnight
AA 5139 leaves 23 h 38 after AA 1794 arrives on the timetable: more than half a day, so not a connection we count.