F9 3871 then AS 2184 at Phoenix
Salt Lake City → Phoenix → Boise
Timetable, Phoenix time
14:46F9 3871 from Salt Lake City at the gate
19:46AS 2184 to Boise leaves the gate
5 h apart on the timetable
The last days
F9 3871 and AS 2184 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.