AA 658 then AA 1909 at Charlotte
Nashville → Charlotte → Richmond
Timetable, Charlotte time
17:30AA 658 from Nashville at the gate
18:12AA 1909 to Richmond leaves the gate
42 min apart on the timetable
The last days
AA 658 and AA 1909 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.