AA 3012 then AA 5258 at Charlotte
Philadelphia → Charlotte → Lexington
Timetable, Charlotte time
16:40AA 3012 from Philadelphia at the gate
17:16AA 5258 to Lexington leaves the gate
36 min apart on the timetable
The last days
AA 3012 and AA 5258 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.