SK 3853 then UA 809 at San Francisco
Los Angeles → San Francisco → Manila
Timetable, San Francisco time
13:52SK 3853 from Los Angeles at the gate
14:05UA 809 to Manila leaves the gate
13 min apart on the timetable
The last days
SK 3853 and UA 809 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.