AA 4277 then AA 6197 at DFW
Rapid City → Dallas-Fort Worth → Houston
Timetable, Dallas-Fort Worth time
09:29AA 4277 from Rapid City at the gate
10:08AA 6197 to Houston leaves the gate
39 min apart on the timetable
The last days
AA 4277 and AA 6197 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.