JL 15 then DL 1441 at Detroit
Bismarck → Detroit → Dallas-Fort Worth
Timetable, Detroit time
12:43JL 15 from Bismarck at the gate
15:55DL 1441 to Dallas-Fort Worth leaves the gate
3 h 12 apart on the timetable
The last days
JL 15 and DL 1441 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.