How often are JFK to MIA flights on time?

Flights from New York (JFK) to Miami (MIA) arrive on time 85% of the time across 32,435 flights of official data.

Which airline is most reliable on the JFK to MIA route?

American Airlines has the best on-time record on this route at 87% across 17,235 flights.

Route reliability

Flights from New York to Miami arrive on time 85% of the time across 32,435 flights. Here’s how each airline really performs.

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On-time rate

32,435 flights

On-time = arrived within 15 minutes of schedule, per BTS TranStats. Compare the reverse leg MIA → JFK.

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Score real JFK–MIA flights on reliability, weather, and connection safety — not just price.