AA 4923 then DL 1451 at Phoenix
Flagstaff → Phoenix → Salt Lake City
Timetable, Phoenix time
13:44AA 4923 from Flagstaff at the gate
20:23DL 1451 to Salt Lake City leaves the gate
6 h 39 apart on the timetable
The last days
AA 4923 and DL 1451 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.