CA 987 then WN 471 at LAX
Beijing → Los Angeles → Tucson
Timetable, Los Angeles time
10:00CA 987 from Beijing at the gate
13:20WN 471 to Tucson leaves the gate
3 h 20 apart on the timetable
The last days
CA 987 and WN 471 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.