QF 73 then AF 7927 at San Francisco
Sydney → San Francisco → Los Angeles
Timetable, San Francisco time
15:55QF 73 from Sydney at the gatealso AS 5001, AA 7397
16:30AF 7927 to Los Angeles leaves the gate
35 min apart on the timetable
The last days
QF 73 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.