AA 1676 then AA 891 at Charlotte
Phoenix → Charlotte → Philadelphia
Timetable, Charlotte time
17:11AA 1676 from Phoenix at the gate
18:05AA 891 to Philadelphia leaves the gate
54 min apart on the timetable
The last days
AA 1676 and AA 891 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.