UA 733 then CA 7335 at San Francisco
Arcata → San Francisco → San Diego
Timetable, San Francisco time
07:18UA 733 from Arcata at the gate
12:05CA 7335 to San Diego leaves the gate
4 h 47 apart on the timetable
The last days
UA 733 and CA 7335 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.