UA 3911 then CA 7323 at San Francisco
Portland (Oregon) → San Francisco → Los Angeles
Timetable, San Francisco time
13:56UA 3911 from Portland (Oregon) at the gate
17:42CA 7323 to Los Angeles leaves the gate
3 h 46 apart on the timetable
The last days
UA 3911 and CA 7323 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.