AA 2121 then AA 3302 at Phoenix
Reno → Phoenix → Tulsa
Timetable, Phoenix time
12:44AA 2121 from Reno at the gate
13:20AA 3302 to Tulsa leaves the gate
36 min apart on the timetable
The last days
AA 2121 and AA 3302 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.