F9 2146 then AA 9908 at O'Hare
Las Vegas → Chicago → Salt Lake City
Timetable, Chicago time
05:13F9 2146 from Las Vegas at the gate
18:15AA 9908 to Salt Lake City leaves the gate
13 h 02 apart on the timetable
AA 9908 leaves 13 h 02 after F9 2146 arrives on the timetable: more than half a day, so not a connection we count.