AA 1979 then AS 309 at LAX
Chicago O'Hare → Los Angeles → San Francisco
Timetable, Los Angeles time
08:22AA 1979 from Chicago O'Hare at the gate
12:57AS 309 to San Francisco leaves the gate
4 h 35 apart on the timetable
The last days
AA 1979 and AS 309 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.