DL 4929 then DL 1685 at JFK
Chicago O'Hare → New York → Orlando
Timetable, New York time
13:54DL 4929 from Chicago O'Hare at the gate
15:05DL 1685 to Orlando leaves the gate
1 h 11 apart on the timetable
The last days
DL 4929 and DL 1685 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.