AA 6454 then UA 3378 at O'Hare
Grand Rapids → Chicago → Richmond
Timetable, Chicago time
10:30AA 6454 from Grand Rapids at the gate
08:30UA 3378 to Richmond leaves the gate
22 h apart on the timetable, overnight
UA 3378 leaves 22 h after AA 6454 arrives on the timetable: more than half a day, so not a connection we count.