AA 5891 then AA 5140 at Charlotte
Asheville → Charlotte → Savannah
Timetable, Charlotte time
12:40AA 5891 from Asheville at the gate
13:10AA 5140 to Savannah leaves the gate
30 min apart on the timetable
The last days
AA 5891 and AA 5140 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.