AA 3067 then OO 9912 at O'Hare
Boston → Chicago → Richmond
Timetable, Chicago time
14:02AA 3067 from Boston at the gate
07:30OO 9912 to Richmond leaves the gate
17 h 28 apart on the timetable, overnight
OO 9912 leaves 17 h 28 after AA 3067 arrives on the timetable: more than half a day, so not a connection we count.