UA 3902 then UA 2133 at O'Hare
Rio De Janeiro → Chicago → Anchorage
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
15:35UA 2133 to Anchorage leaves the gate
22 h 34 apart on the timetable, overnight
UA 2133 leaves 22 h 34 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.