EWR → SJU: 69% on-time

Historical on-time performance

Newark to San Juan

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

Flights on EWR–SJU arrive on time 69% of the time over the last 12 months.

On-time rate69%arrived within 15 min

p90 delay65 min1 in 10 flights is worse (tail risk)

Cancelled2.8%of scheduled flights

based on 1,914 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

Airline	On-time	Median	p90	Cancel	Flights
JetBlue Airwaysbest	73%	on time	65 min	3.2%	617
Spirit Airlines⚠ low data	71%	on time	95 min	4.8%	62
United Airlines	68%	on time	55 min	2.5%	1,113
Frontier Airlines⚠ low data	48%	10 min	150 min	1.6%	122

Why flights run late

Most delay minutes here are attributed to Airline.

When flights don't go

Most cancellations here are attributed to Weather. Shares are among 53 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 57% to 75% on time.

On-time rates are fairly even by day on this route — ranging from 65% to 72% on time.

Keep exploring