AA 1635 then AA 5013 at Phoenix
Kansas City → Phoenix → Salt Lake City
Timetable, Phoenix time
15:24AA 1635 from Kansas City at the gate
20:10AA 5013 to Salt Lake City leaves the gate
4 h 46 apart on the timetable
The last days
AA 1635 and AA 5013 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.