UA 5547 then AA 9912 at O'Hare
Indianapolis → Chicago → Richmond
Timetable, Chicago time
11:12UA 5547 from Indianapolis at the gate
07:30AA 9912 to Richmond leaves the gate
20 h 18 apart on the timetable, overnight
AA 9912 leaves 20 h 18 after UA 5547 arrives on the timetable: more than half a day, so not a connection we count.