DL 5274 then DL 5611 at JFK
Pittsburgh → New York → Chicago O'Hare
Timetable, New York time
13:59DL 5274 from Pittsburgh at the gate
19:35DL 5611 to Chicago O'Hare leaves the gate
5 h 36 apart on the timetable
The last days
DL 5274 and DL 5611 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.