Y4 2483 then CA 7336 at San Francisco
Los Angeles → San Francisco → Seattle
Timetable, San Francisco time
10:11Y4 2483 from Los Angeles at the gatealso F9 2857
12:22CA 7336 to Seattle leaves the gate
2 h 11 apart on the timetable
The last days
Y4 2483 and CA 7336 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.