UA 3902 then UA 3713 at O'Hare
Rio De Janeiro → Chicago → Charleston (South Carolina)
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
14:32UA 3713 to Charleston (South Carolina) leaves the gate
21 h 31 apart on the timetable, overnight
UA 3713 leaves 21 h 31 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.