AA 5320 then AA 4460 at Atlanta
Washington National → Atlanta → New York LaGuardia
Timetable, Atlanta time
08:30AA 5320 from Washington National at the gate
14:49AA 4460 to New York LaGuardia leaves the gate
6 h 19 apart on the timetable
The last days
AA 5320 and AA 4460 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.