UA 3902 then AA 6247 at O'Hare
Rio De Janeiro → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
10:36AA 6247 to Columbus (Ohio) leaves the gate
17 h 35 apart on the timetable, overnight
AA 6247 leaves 17 h 35 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.