AA 5490 then AA 1909 at Charlotte
Dayton → Charlotte → Richmond
Timetable, Charlotte time
14:32AA 5490 from Dayton at the gate
18:12AA 1909 to Richmond leaves the gate
3 h 40 apart on the timetable
The last days
AA 5490 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.