AA 3675 then UA 1994 at DFW
Bismarck → Dallas-Fort Worth → Denver
Timetable, Dallas-Fort Worth time
09:40AA 3675 from Bismarck at the gate
16:55UA 1994 to Denver leaves the gate
7 h 15 apart on the timetable
The last days
AA 3675 and UA 1994 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.