AA 3384 then UA 2368 at O'Hare
Champaign → Chicago → Newark
Timetable, Chicago time
16:39AA 3384 from Champaign at the gate
20:40UA 2368 to Newark leaves the gate
4 h 01 apart on the timetable
The last days
AA 3384 and UA 2368 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.