AA 891 then AA 5245 at Charlotte
Omaha → Charlotte → Dayton
Timetable, Charlotte time
15:05AA 891 from Omaha at the gate
15:25AA 5245 to Dayton leaves the gate
20 min apart on the timetable
The last days
AA 891 and AA 5245 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.