UA 6080 then AA 980 at O'Hare
Sioux City → Chicago → Salt Lake City
Timetable, Chicago time
07:35UA 6080 from Sioux City at the gate
21:11AA 980 to Salt Lake City leaves the gate
13 h 36 apart on the timetable
AA 980 leaves 13 h 36 after UA 6080 arrives on the timetable: more than half a day, so not a connection we count.