AA 6486 then UA 2230 at O'Hare
Detroit → Chicago → Cleveland
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
12:55UA 2230 to Cleveland leaves the gate
19 h 26 apart on the timetable, overnight
UA 2230 leaves 19 h 26 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.