Route · EWR → SJU · 2020–2025 BTS data
Newark to San Juan
The EWR–SJU corridor (Newark, NJ → San Juan, PR) runs behind the national average, served by 22 carriers across roughly 1,608 miles.
Data updated 2026-06-13
- 70.8%
- On-time
- -8.2 pts
- vs US avg
- 79 min
- Delay when late
- 12,959
- Flights
Cancelled
1.5%
Best Month
Sep 2024 88%
Worst Month
Nov 2025 61%
Distance
1,608 mi
Carriers
22
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 199 | 69 | 8 | 0 | F9,NK,B6,UA |
| Nov 2025 | 145 | 57 | 5 | 0 | UA,F9,B6 |
| Oct 2025 | 144 | 54 | 2 | 0 | B6,UA,F9 |
| Sep 2025 | 152 | 39 | 0 | 0 | UA,F9,B6 |
| Aug 2025 | 193 | 58 | 2 | 2 | F9,NK,UA,B6 |
| Jul 2025 | 199 | 65 | 11 | 1 | B6,UA,F9,NK |
| Jun 2025 | 180 | 45 | 4 | 0 | B6,UA,F9 |
| May 2025 | 207 | 66 | 3 | 0 | B6,UA,F9 |
| Apr 2025 | 206 | 63 | 2 | 1 | F9,UA,B6 |
| Mar 2025 | 213 | 71 | 1 | 1 | B6,UA,F9 |
| Feb 2025 | 192 | 59 | 1 | 1 | B6,UA,F9 |
| Jan 2025 | 218 | 73 | 0 | 2 | B6,UA,F9 |
| Dec 2024 | 226 | 75 | 1 | 1 | B6,F9,UA |
| Nov 2024 | 197 | 47 | 1 | 1 | UA,B6,F9 |
| Oct 2024 | 177 | 41 | 1 | 0 | UA,F9,B6 |
| Sep 2024 | 170 | 21 | 1 | 0 | UA,B6,F9 |
| Aug 2024 | 204 | 80 | 7 | 0 | B6,F9,UA |
| Jul 2024 | 213 | 83 | 3 | 2 | B6,F9,NK,UA |
| Jun 2024 | 184 | 60 | 9 | 1 | B6,F9,NK,UA |
| May 2024 | 186 | 43 | 0 | 0 | B6,NK,UA |
| Apr 2024 | 158 | 40 | 2 | 0 | B6,NK,UA |
| Mar 2024 | 161 | 46 | 1 | 0 | B6,NK,UA |
| Feb 2024 | 175 | 37 | 2 | 1 | B6,NK,UA |
| Jan 2024 | 201 | 61 | 2 | 0 | B6,NK,UA |
Cancellation Rate
1.5%
69 of 4,500 flights
Diversion Rate
0.3%
14 of 4,500 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
EWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
Origin airport →SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
Destination airport →Compare the two airports
See EWR 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 EWR–SJU.
Routes with a similar on-time rate
What the Data Says About EWR to SJU
On-time performance on the EWR to SJU pairing (Newark to San Juan) trails a chunk of the network: 70.8% of 12,959 tracked flights arrived on schedule, with a 79.2-minute average delay on the ones that ran late. The route spans about 1,608 miles across 22 carriers. Cancellations over the trailing 24 months hit 1.5% (69 of 4,500 flights), with 0.3% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 88% on-time, while Nov 2025 came in at just 61% - a 27-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.