AA 1741 then UA 3751 at O'Hare
Sacramento → Chicago → Cedar Rapids
Timetable, Chicago time
05:00AA 1741 from Sacramento at the gate
20:10UA 3751 to Cedar Rapids leaves the gate
15 h 10 apart on the timetable
UA 3751 leaves 15 h 10 after AA 1741 arrives on the timetable: more than half a day, so not a connection we count.