AS 2367 then UA 1691 at Salt Lake City
Portland (Oregon) → Salt Lake City → Denver
Timetable, Salt Lake City time
13:38AS 2367 from Portland (Oregon) at the gate
18:16UA 1691 to Denver leaves the gate
4 h 38 apart on the timetable
The last days
AS 2367 and UA 1691 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.