AA 4923 then AA 2821 at Phoenix
Flagstaff → Phoenix → Charlotte
Timetable, Phoenix time
13:44AA 4923 from Flagstaff at the gate
23:05AA 2821 to Charlotte leaves the gate
9 h 21 apart on the timetable
The last days
AA 4923 and AA 2821 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.