UA 3902 then AA 3229 at O'Hare
Rio De Janeiro → Chicago → Austin
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
08:38AA 3229 to Austin leaves the gate
15 h 37 apart on the timetable, overnight
AA 3229 leaves 15 h 37 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.