AA 5809 then AA 1809 at Charlotte
Harrisburg → Charlotte → Boston
Timetable, Charlotte time
09:15AA 5809 from Harrisburg at the gate
10:07AA 1809 to Boston leaves the gate
52 min apart on the timetable
The last days
AA 5809 and AA 1809 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.