AA 4455 then AA 889 at Boston
Washington National → Boston → Charlotte
Timetable, Boston time
08:26AA 4455 from Washington National at the gate
14:54AA 889 to Charlotte leaves the gate
6 h 28 apart on the timetable
The last days
AA 4455 and AA 889 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.