AA 9931 then AA 3573 at Miami
New York LaGuardia → Miami → Atlanta
Timetable, Miami time
09:52AA 9931 from New York LaGuardia at the gate
20:40AA 3573 to Atlanta leaves the gate
10 h 48 apart on the timetable
The last days
AA 9931 and AA 3573 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.