WN 1644 then AS 9911 at LAX
Denver → Los Angeles → Tucson
Timetable, Los Angeles time
10:50WN 1644 from Denver at the gate
14:45AS 9911 to Tucson leaves the gate
3 h 55 apart on the timetable
The last days
WN 1644 and AS 9911 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.