AA 3309 then AA 5670 at Charlotte
Milwaukee → Charlotte → Lexington
Timetable, Charlotte time
15:31AA 3309 from Milwaukee at the gate
14:49AA 5670 to Lexington leaves the gate
23 h 18 apart on the timetable, overnight
AA 5670 leaves 23 h 18 after AA 3309 arrives on the timetable: more than half a day, so not a connection we count.