New York, NY → San Juan, PR flight delays
JFK → SJU · all airlines · 310 flights · April 2026 · source: US BTS
This route is delayed
21%of the time, by +48 min on average when it does.
This is history, not a promise — your specific flight could well be on time.
On-time rate
79%
Delayed 3h+
0.3%
Cancelled
0%
Avg when late
+48m
Best & worst day to fly
Most on-time
Monday
delayed 7%
Worst
Sunday
delayed 31%
Which airline is most punctual on JFK → SJU?
Deltadelayed 11%
JetBluedelayed 24%
Frequently asked
How often is the New York, NY to San Juan, PR flight delayed?
About 21% of JFK → SJU flights arrive late (15+ minutes), by an average of 48 minutes when they do, based on 310 flights in April 2026.
Which airline is most punctual on JFK → SJU?
Delta, delayed 11% of the time — the best of the 2 airlines flying this route.
What is the best day to fly JFK → SJU?
Monday is the most on-time (delayed 7%), while Sunday is the worst (delayed 31%).
Airport overviews