AA 3391 then AA 2595 at Charlotte
Hilton Head → Charlotte → Boston
Timetable, Charlotte time
17:40AA 3391 from Hilton Head at the gate
18:35AA 2595 to Boston leaves the gate
55 min apart on the timetable
The last days
AA 3391 and AA 2595 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.