JL 717 then AA 3892 at Phoenix
Rapid City → Phoenix → Austin
Timetable, Phoenix time
09:23JL 717 from Rapid City at the gate
14:05AA 3892 to Austin leaves the gate
4 h 42 apart on the timetable
The last days
JL 717 and AA 3892 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.