OO 225 then AA 3634 at O'Hare
Richmond → Chicago → La Crosse
Timetable, Chicago time
11:48OO 225 from Richmond at the gate
10:30AA 3634 to La Crosse leaves the gate
22 h 42 apart on the timetable, overnight
AA 3634 leaves 22 h 42 after OO 225 arrives on the timetable: more than half a day, so not a connection we count.