AA 549 then DL 5551 at Charlotte
Richmond → Charlotte → Atlanta (ATL)
Timetable, Charlotte time
06:18AA 549 from Richmond at the gate
07:00DL 5551 to Atlanta (ATL) leaves the gate
42 min apart on the timetable
The last days
AA 549 and DL 5551 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.