AA 6486 then UA 5841 at O'Hare
Detroit → Chicago → Cedar Rapids
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
12:55UA 5841 to Cedar Rapids leaves the gate
19 h 26 apart on the timetable, overnight
UA 5841 leaves 19 h 26 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.