DL 4903 then AA 9840 at O'Hare
New York JFK → Chicago → Raleigh-Durham
Timetable, Chicago time
09:27DL 4903 from New York JFK at the gate
10:00AA 9840 to Raleigh-Durham leaves the gate
33 min apart on the timetable
The last days
DL 4903 and AA 9840 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.