UA 3902 then AA 1424 at O'Hare
Rio De Janeiro → Chicago → Fort Lauderdale
Timetable, Chicago time
17:01UA 3902 from Rio De Janeiro at the gate
08:26AA 1424 to Fort Lauderdale leaves the gate
15 h 25 apart on the timetable, overnight
AA 1424 leaves 15 h 25 after UA 3902 arrives on the timetable: more than half a day, so not a connection we count.