AA 6486 then AA 4118 at O'Hare
Detroit → Chicago → Greensboro
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
15:04AA 4118 to Greensboro leaves the gate
21 h 35 apart on the timetable, overnight
AA 4118 leaves 21 h 35 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.