AA 3309 then AA 3060 at Charlotte
Milwaukee → Charlotte → St Louis
Timetable, Charlotte time
15:31AA 3309 from Milwaukee at the gate
14:55AA 3060 to St Louis leaves the gate
23 h 24 apart on the timetable, overnight
AA 3060 leaves 23 h 24 after AA 3309 arrives on the timetable: more than half a day, so not a connection we count.