AA 1992 then AA 5988 at Charlotte
St Louis → Charlotte → Roanoke
Timetable, Charlotte time
08:00AA 1992 from St Louis at the gate
10:40AA 5988 to Roanoke leaves the gate
2 h 40 apart on the timetable
The last days
AA 1992 and AA 5988 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.