AA 9866 then UA 2809 at O'Hare
Bloomington-Normal → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:11AA 9866 from Bloomington-Normal at the gate
10:40UA 2809 to Dallas-Fort Worth leaves the gate
21 h 29 apart on the timetable, overnight
UA 2809 leaves 21 h 29 after AA 9866 arrives on the timetable: more than half a day, so not a connection we count.