UA 3902 then AA 2153 at O'Hare
Rio De Janeiro → Chicago → New York JFK
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
10:31AA 2153 to New York JFK leaves the gate
17 h 30 apart on the timetable, overnight
AA 2153 leaves 17 h 30 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.