DL 8929 then LY 4444 at San Francisco
Los Angeles → San Francisco → New York JFK
Timetable, San Francisco time
15:13DL 8929 from Los Angeles at the gate
22:55LY 4444 to New York JFK leaves the gatealso LA 6189, LA 6216
7 h 42 apart on the timetable
The last days
DL 8929 and LY 4444 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.