AA 4571 then OO 9912 at O'Hare
Grand Rapids → Chicago → Richmond
Timetable, Chicago time
14:48AA 4571 from Grand Rapids at the gate
07:30OO 9912 to Richmond leaves the gate
16 h 42 apart on the timetable, overnight
OO 9912 leaves 16 h 42 after AA 4571 arrives on the timetable: more than half a day, so not a connection we count.