UA 772 then AS 9986 at LAX
Beijing → Los Angeles → Seattle (SEA)
Timetable, Los Angeles time
07:55UA 772 from Beijing at the gate
09:15AS 9986 to Seattle (SEA) leaves the gate
1 h 20 apart on the timetable
The last days
UA 772 and AS 9986 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.