UA 3902 then AA 3352 at O'Hare
Rio De Janeiro → Chicago → Columbus (Ohio)
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
08:03AA 3352 to Columbus (Ohio) leaves the gate
15 h 02 apart on the timetable, overnight
AA 3352 leaves 15 h 02 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.