WN 4004 then WN 910 at Phoenix
Santa Ana → Phoenix → Salt Lake City
Timetable, Phoenix time
12:05WN 4004 from Santa Ana at the gate
20:50WN 910 to Salt Lake City leaves the gate
8 h 45 apart on the timetable
The last days
WN 4004 and WN 910 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.