AA 9919 then WN 3838 at Phoenix
Tucson → Phoenix → Austin
Timetable, Phoenix time
12:15AA 9919 from Tucson at the gate
13:55WN 3838 to Austin leaves the gate
1 h 40 apart on the timetable
The last days
AA 9919 and WN 3838 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.