AA 6486 then AA 4183 at O'Hare
Detroit → Chicago → Columbia Metropolitan
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
13:08AA 4183 to Columbia Metropolitan leaves the gate
19 h 39 apart on the timetable, overnight
AA 4183 leaves 19 h 39 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.