SJU → EWR: 72% on-time

Historical on-time performance

San Juan to Newark

1,608 miData through May 2026Source: US DOT · BTS

Flights on SJU–EWR arrive on time 72% of the time over the last 12 months.

On-time rate72%arrived within 15 min

p90 delay55 min1 in 10 flights is worse (tail risk)

Cancelled3.2%of scheduled flights

based on 1,912 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Too close to call — no single carrier is clearly more on-time here.

Airline	On-time	Median	p90	Cancel	Flights
United Airlines	73%	on time	50 min	3.1%	1,113
JetBlue Airways	73%	on time	50 min	2.9%	615
Spirit Airlines⚠ low data	58%	on time	95 min	12.9%	62
Frontier Airlines⚠ low data	57%	10 min	80 min	0.8%	122

Why flights run late

Most delay minutes here are attributed to Late aircraft.

When flights don't go

Most cancellations here are attributed to Weather. Shares are among 61 cancellations with a reported cause (BTS reports causes from June 2003).

Over time

By season

When to fly

All airlines · rolling 36 months (2023-06 .. 2026-05).

On-time rates are fairly even by time of day on this route — ranging from 65% to 78% on time.

On-time rates are fairly even by day on this route — ranging from 67% to 76% on time.

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