AA 5139 then AA 591 at Charlotte
Birmingham (Alabama) → Charlotte → Denver
Timetable, Charlotte time
13:37AA 5139 from Birmingham (Alabama) at the gate
13:28AA 591 to Denver leaves the gate
23 h 51 apart on the timetable, overnight
AA 591 leaves 23 h 51 after AA 5139 arrives on the timetable: more than half a day, so not a connection we count.