AS 2139 then AS 740 at San Francisco
Everett → San Francisco → San Diego
Timetable, San Francisco time
09:21AS 2139 from Everett at the gatealso QR 3373, FJ 5867, AA 7414
10:40AS 740 to San Diego leaves the gatealso QR 8792
1 h 19 apart on the timetable
The last days
AS 2139 and AS 740 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.