AA 3675 then AA 4005 at O'Hare
Cincinnati Northern Kentucky → Chicago → Madison
Timetable, Chicago time
12:35AA 3675 from Cincinnati Northern Kentucky at the gate
18:55AA 4005 to Madison leaves the gate
6 h 20 apart on the timetable
The last days
AA 3675 and AA 4005 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.