How often are SJU to EWR flights on time?

Flights from San Juan (SJU) to Newark (EWR) arrive on time 81% of the time across 13,928 flights of official data.

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

Spirit Airlines has the best on-time record on this route at 86% across 1,986 flights.

Route reliability

Flights from San Juan to Newark arrive on time 81% of the time across 13,928 flights. Here’s how each airline really performs.

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On-time rate

13,928 flights

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

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