UA 3884 then AA 980 at O'Hare
Melbourne (Florida) → Chicago → Salt Lake City
Timetable, Chicago time
01:06UA 3884 from Melbourne (Florida) at the gate
21:11AA 980 to Salt Lake City leaves the gate
20 h 05 apart on the timetable
AA 980 leaves 20 h 05 after UA 3884 arrives on the timetable: more than half a day, so not a connection we count.