AA 2105 then AF 7927 at San Francisco
Charlotte → San Francisco → Los Angeles
Timetable, San Francisco time
12:27AA 2105 from Charlotte at the gate
16:30AF 7927 to Los Angeles leaves the gate
4 h 03 apart on the timetable
The last days
AA 2105 and AF 7927 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.