UA 3906 then AF 5670 at San Francisco
Austin → San Francisco → Los Angeles
Timetable, San Francisco time
10:03UA 3906 from Austin at the gate
19:00AF 5670 to Los Angeles leaves the gate
8 h 57 apart on the timetable
The last days
UA 3906 and AF 5670 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.