AA 4277 then AA 3072 at DFW
Rapid City → Dallas-Fort Worth → Louisville
Timetable, Dallas-Fort Worth time
09:29AA 4277 from Rapid City at the gate
15:22AA 3072 to Louisville leaves the gate
5 h 53 apart on the timetable
The last days
AA 4277 and AA 3072 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.