AA 3309 then DL 2157 at Charlotte
Milwaukee → Charlotte → Atlanta (ATL)
Timetable, Charlotte time
15:31AA 3309 from Milwaukee at the gate
14:19DL 2157 to Atlanta (ATL) leaves the gate
22 h 48 apart on the timetable, overnight
DL 2157 leaves 22 h 48 after AA 3309 arrives on the timetable: more than half a day, so not a connection we count.