AA 6302 then UA 5191 at O'Hare
Cedar Rapids → Chicago → Lancaster
Timetable, Chicago time
15:20AA 6302 from Cedar Rapids at the gate
08:50UA 5191 to Lancaster leaves the gate
17 h 30 apart on the timetable, overnight
UA 5191 leaves 17 h 30 after AA 6302 arrives on the timetable: more than half a day, so not a connection we count.