Route · JFK → SJU · 2020–2025 BTS data
New York to San Juan
The JFK–SJU corridor (New York, NY → San Juan, PR) runs behind the national average, served by 6 carriers across roughly 1,598 miles.
Data updated 2026-06-13
- 72.3%
- On-time
- -6.7 pts
- vs US avg
- 76 min
- Delay when late
- 19,069
- Flights
Cancelled
1.1%
Best Month
Sep 2024 86%
Worst Month
Mar 2024 61%
Distance
1,598 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 350 | 106 | 16 | 0 | B6,DL,F9 |
| Nov 2025 | 297 | 75 | 3 | 0 | DL,F9,B6 |
| Oct 2025 | 271 | 100 | 2 | 1 | B6,DL,F9 |
| Sep 2025 | 245 | 67 | 0 | 0 | DL,F9,B6 |
| Aug 2025 | 359 | 130 | 3 | 1 | F9,B6,DL |
| Jul 2025 | 371 | 123 | 11 | 2 | B6,DL,F9 |
| Jun 2025 | 349 | 91 | 5 | 2 | B6,DL,F9 |
| May 2025 | 335 | 57 | 0 | 0 | B6,DL,F9 |
| Apr 2025 | 370 | 66 | 0 | 1 | DL,F9,B6 |
| Mar 2025 | 390 | 117 | 1 | 0 | B6,DL,F9 |
| Feb 2025 | 316 | 89 | 2 | 1 | B6,DL,F9 |
| Jan 2025 | 335 | 104 | 2 | 1 | B6,DL,F9 |
| Dec 2024 | 384 | 138 | 1 | 0 | B6,DL,F9 |
| Nov 2024 | 347 | 58 | 0 | 0 | B6,DL,F9 |
| Oct 2024 | 305 | 49 | 0 | 0 | DL,F9,B6 |
| Sep 2024 | 272 | 37 | 0 | 0 | B6,DL,F9 |
| Aug 2024 | 369 | 113 | 17 | 0 | B6,DL,F9 |
| Jul 2024 | 365 | 126 | 3 | 0 | B6,DL,F9 |
| Jun 2024 | 332 | 110 | 5 | 2 | B6,DL,F9 |
| May 2024 | 280 | 77 | 0 | 1 | B6,DL |
| Apr 2024 | 295 | 67 | 2 | 0 | B6,DL |
| Mar 2024 | 274 | 107 | 6 | 0 | B6,DL |
| Feb 2024 | 237 | 75 | 2 | 0 | B6,DL |
| Jan 2024 | 265 | 78 | 0 | 0 | B6,DL |
Cancellation Rate
1.1%
81 of 7,713 flights
Diversion Rate
0.2%
12 of 7,713 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
JFK - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See JFK and SJU side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to JFK–SJU.
Routes with a similar on-time rate
What the Data Says About JFK to SJU
On-time performance on the JFK to SJU pairing (New York to San Juan) trails a chunk of the network: 72.3% of 19,069 tracked flights arrived on schedule, with a 76.1-minute average delay on the ones that ran late. The route spans about 1,598 miles across 6 carriers. Cancellations over the trailing 24 months hit 1.1% (81 of 7,713 flights), with 0.2% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 86% on-time, while Mar 2024 came in at just 61% - a 25-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.