UA 3902 then UA 786 at O'Hare
Rio De Janeiro → Chicago → Raleigh-Durham
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
12:50UA 786 to Raleigh-Durham leaves the gate
19 h 49 apart on the timetable, overnight
UA 786 leaves 19 h 49 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.