WN 2019 then WN 2873 at Phoenix
Tucson → Phoenix → Salt Lake City
Timetable, Phoenix time
06:55WN 2019 from Tucson at the gate
11:00WN 2873 to Salt Lake City leaves the gatealso AA 9918
4 h 05 apart on the timetable
The last days
WN 2019 and WN 2873 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.