AS 1852 then AS 487 at Seattle
Albuquerque → Seattle → Los Angeles
Timetable, Seattle time
08:16AS 1852 from Albuquerque at the gate
12:00AS 487 to Los Angeles leaves the gate
3 h 44 apart on the timetable
Seattle’s board gives a departure time for only about 56% of its flights, so many days show no gate time.
The last days
AS 1852 and AS 487 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.