AA 2480 then AA 1662 at Charlotte
Madison → Charlotte → Denver
Timetable, Charlotte time
11:25AA 2480 from Madison at the gate
11:44AA 1662 to Denver leaves the gate
19 min apart on the timetable
The last days
AA 2480 and AA 1662 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.