AS 2139 then WN 3784 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
15:10WN 3784 to San Diego leaves the gate
5 h 49 apart on the timetable
The last days
AS 2139 and WN 3784 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.