AA 2811 then AA 2484 at Miami
Nassau → Miami → New York LaGuardia
Timetable, Miami time
11:32AA 2811 from Nassau at the gate
12:26AA 2484 to New York LaGuardia leaves the gate
54 min apart on the timetable
The last days
AA 2811 and AA 2484 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.