AA 398 then WN 2516 at San Francisco
Charlotte → San Francisco → Los Angeles
Timetable, San Francisco time
13:52AA 398 from Charlotte at the gate
14:30WN 2516 to Los Angeles leaves the gate
38 min apart on the timetable
The last days
AA 398 and WN 2516 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.