AA 5136 then AA 2595 at Charlotte
Memphis → Charlotte → Boston
Timetable, Charlotte time
11:25AA 5136 from Memphis at the gate
18:35AA 2595 to Boston leaves the gate
7 h 10 apart on the timetable
The last days
AA 5136 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.