AA 3279 then AA 1828 at Charlotte
New York LaGuardia → Charlotte → Boston
Timetable, Charlotte time
09:25AA 3279 from New York LaGuardia at the gate
17:40AA 1828 to Boston leaves the gate
8 h 15 apart on the timetable
The last days
AA 3279 and AA 1828 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.