How often are SJU to MIA flights on time?

Flights from San Juan (SJU) to Miami (MIA) arrive on time 83% of the time across 16,360 flights of official data.

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

Spirit Airlines has the best on-time record on this route at 87% across 1,588 flights.

Route reliability

Flights from San Juan to Miami arrive on time 83% of the time across 16,360 flights. Here’s how each airline really performs.

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On-time rate

16,360 flights

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

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

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