AA 6486 then AA 4757 at O'Hare
Detroit → Chicago → Kansas City
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
10:01AA 4757 to Kansas City leaves the gate
16 h 32 apart on the timetable, overnight
AA 4757 leaves 16 h 32 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.