AS 9728 then WN 3391 at Salt Lake City
Los Angeles → Salt Lake City → Phoenix Sky Harbor
Timetable, Salt Lake City time
09:34AS 9728 from Los Angeles at the gate
13:20WN 3391 to Phoenix Sky Harbor leaves the gate
3 h 46 apart on the timetable
The last days
AS 9728 and WN 3391 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.