AA 504 then AA 3101 at Charlotte
Boston → Charlotte → Dallas-Fort Worth
Timetable, Charlotte time
13:54AA 504 from Boston at the gate
18:15AA 3101 to Dallas-Fort Worth leaves the gate
4 h 21 apart on the timetable
The last days
AA 504 and AA 3101 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.