AA 6094 then AA 3309 at Charlotte
Greensboro → Charlotte → Milwaukee
Timetable, Charlotte time
13:08AA 6094 from Greensboro at the gate
10:40AA 3309 to Milwaukee leaves the gate
21 h 32 apart on the timetable, overnight
AA 3309 leaves 21 h 32 after AA 6094 arrives on the timetable: more than half a day, so not a connection we count.