AA 1012 then AA 2579 at DFW
Sioux Falls → Dallas-Fort Worth → Denver
Timetable, Dallas-Fort Worth time
08:42AA 1012 from Sioux Falls at the gate
11:11AA 2579 to Denver leaves the gate
2 h 29 apart on the timetable
The last days
AA 1012 and AA 2579 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.