AA 581 then AA 3393 at O'Hare
Miami → Chicago → Fargo
Timetable, Chicago time
09:30AA 581 from Miami at the gate
15:33AA 3393 to Fargo leaves the gate
6 h 03 apart on the timetable
The last days
AA 581 and AA 3393 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.