AA 9753 then DL 820 at Salt Lake City
Phoenix → Salt Lake City → New York JFK
Timetable, Salt Lake City time
16:25AA 9753 from Phoenix at the gate
23:35DL 820 to New York JFK leaves the gate
7 h 10 apart on the timetable
The last days
AA 9753 and DL 820 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.