AA 2764 then AA 985 at Miami
Boston → Miami → Charlotte
Timetable, Miami time
15:40AA 2764 from Boston at the gate
16:17AA 985 to Charlotte leaves the gate
37 min apart on the timetable
The last days
AA 2764 and AA 985 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.