AA 5399 then AA 2037 at Charlotte
South Bend → Charlotte → Memphis
Timetable, Charlotte time
08:14AA 5399 from South Bend at the gate
09:05AA 2037 to Memphis leaves the gate
51 min apart on the timetable
The last days
AA 5399 and AA 2037 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.