DL 8939 then EY 8046 at San Francisco
Phoenix → San Francisco → New York JFK
Timetable, San Francisco time
14:57DL 8939 from Phoenix at the gate
22:56EY 8046 to New York JFK leaves the gatealso JU 8513
7 h 59 apart on the timetable
The last days
DL 8939 and EY 8046 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.