AA 3675 then AA 3671 at DFW
Bismarck → Dallas-Fort Worth → Springfield
Timetable, Dallas-Fort Worth time
09:40AA 3675 from Bismarck at the gate
18:40AA 3671 to Springfield leaves the gate
9 h apart on the timetable
The last days
AA 3675 and AA 3671 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.