AA 1250 then AA 5151 at Charlotte
St Louis → Charlotte → Cincinnati
Timetable, Charlotte time
08:58AA 1250 from St Louis at the gate
11:45AA 5151 to Cincinnati leaves the gate
2 h 47 apart on the timetable
The last days
AA 1250 and AA 5151 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.