AA 6298 then BR 643 at O'Hare
Cedar Rapids → Chicago → Anchorage
Timetable, Chicago time
13:50AA 6298 from Cedar Rapids at the gate
11:55BR 643 to Anchorage leaves the gate
22 h 05 apart on the timetable, overnight
BR 643 leaves 22 h 05 after AA 6298 arrives on the timetable: more than half a day, so not a connection we count.