AV 392 then AA 867 at Miami
Managua → Miami → New York JFK
Timetable, Miami time
15:25AV 392 from Managua at the gate
19:30AA 867 to New York JFK leaves the gate
4 h 05 apart on the timetable
The last days
AV 392 and AA 867 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.