AS 2158 then AS 523 at San Francisco
Portland (Oregon) → San Francisco → Santa Ana
Timetable, San Francisco time
10:22AS 2158 from Portland (Oregon) at the gate
16:17AS 523 to Santa Ana leaves the gatealso QR 2120, QR 8871, QR 8882, AA 9343
5 h 55 apart on the timetable
The last days
AS 2158 and AS 523 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.