AA 9866 then DL 5327 at O'Hare
Bloomington-Normal → Chicago → Detroit
Timetable, Chicago time
13:11AA 9866 from Bloomington-Normal at the gate
11:19DL 5327 to Detroit leaves the gate
22 h 08 apart on the timetable, overnight
DL 5327 leaves 22 h 08 after AA 9866 arrives on the timetable: more than half a day, so not a connection we count.