AA 2263 then AA 2891 at Miami
Phoenix → Miami → Atlanta
Timetable, Miami time
07:05AA 2263 from Phoenix at the gate
07:41AA 2891 to Atlanta leaves the gate
36 min apart on the timetable
The last days
AA 2263 and AA 2891 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.