AA 2002 then AA 5220 at Charlotte
Des Moines → Charlotte → Washington
Timetable, Charlotte time
10:30AA 2002 from Des Moines at the gate
11:21AA 5220 to Washington leaves the gate
51 min apart on the timetable
The last days
AA 2002 and AA 5220 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.