AA 3960 then AA 4675 at O'Hare
Valparaiso → Chicago → Nashville
Timetable, Chicago time
14:34AA 3960 from Valparaiso at the gate
15:29AA 4675 to Nashville leaves the gate
55 min apart on the timetable
The last days
AA 3960 and AA 4675 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.