AA 2976 then UA 3751 at O'Hare
Minneapolis → Chicago → Cedar Rapids
Timetable, Chicago time
07:14AA 2976 from Minneapolis at the gate
20:10UA 3751 to Cedar Rapids leaves the gate
12 h 56 apart on the timetable
UA 3751 leaves 12 h 56 after AA 2976 arrives on the timetable: more than half a day, so not a connection we count.