AA 1063 then AA 2376 at Charlotte
Richmond → Charlotte → Detroit
Timetable, Charlotte time
07:24AA 1063 from Richmond at the gate
11:04AA 2376 to Detroit leaves the gate
3 h 40 apart on the timetable
The last days
AA 1063 and AA 2376 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.