AA 9866 then UA 4452 at O'Hare
Bloomington-Normal → Chicago → Richmond
Timetable, Chicago time
13:11AA 9866 from Bloomington-Normal at the gate
11:00UA 4452 to Richmond leaves the gate
21 h 49 apart on the timetable, overnight
UA 4452 leaves 21 h 49 after AA 9866 arrives on the timetable: more than half a day, so not a connection we count.