WN 3872 then AA 6422 at Denver
Salt Lake City → Denver → Los Angeles
Timetable, Denver time
07:25WN 3872 from Salt Lake City at the gate
12:17AA 6422 to Los Angeles leaves the gate
4 h 52 apart on the timetable
The last days
WN 3872 and AA 6422 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.