UA 3902 then AA 4918 at O'Hare
Rio De Janeiro → Chicago → Colorado Springs
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
11:00AA 4918 to Colorado Springs leaves the gate
17 h 59 apart on the timetable, overnight
AA 4918 leaves 17 h 59 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.