UA 3922 then AA 4932 at O'Hare
Savannah → Chicago → Richmond
Timetable, Chicago time
02:36UA 3922 from Savannah at the gate
16:29AA 4932 to Richmond leaves the gate
13 h 53 apart on the timetable
AA 4932 leaves 13 h 53 after UA 3922 arrives on the timetable: more than half a day, so not a connection we count.