AA 3218 then AA 5258 at Charlotte
Burlington → Charlotte → Lexington
Timetable, Charlotte time
17:29AA 3218 from Burlington at the gate
18:11AA 5258 to Lexington leaves the gate
42 min apart on the timetable
The last days
AA 3218 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.