AA 3989 then QF 7552 at O'Hare
Cedar Rapids → Chicago → Los Angeles
Timetable, Chicago time
19:49AA 3989 from Cedar Rapids at the gate
18:50QF 7552 to Los Angeles leaves the gate
23 h 01 apart on the timetable, overnight
QF 7552 leaves 23 h 01 after AA 3989 arrives on the timetable: more than half a day, so not a connection we count.