DL 5822 then DL 4732 at JFK
Washington → New York → Syracuse
Timetable, New York time
13:56DL 5822 from Washington at the gate
14:55DL 4732 to Syracuse leaves the gate
59 min apart on the timetable
The last days
DL 5822 and DL 4732 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.