AA 3689 then AA 4104 at Phoenix
Memphis → Phoenix → Denver
Timetable, Phoenix time
10:16AA 3689 from Memphis at the gate
12:15AA 4104 to Denver leaves the gate
1 h 59 apart on the timetable
The last days
AA 3689 and AA 4104 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.