Route · SJU → EWR · 2020–2025 BTS data
San Juan to Newark
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SJU to EWR (San Juan to Newark) ranks #804 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 72.6%
- On-time
- -6.4 pts
- vs US avg
- 82 min
- Delay when late
- 13,009
- Flights
- #804 of 4927
- Corpus placement
Cancelled
1.8%
Best Month
Sep 2024 83%
Worst Month
Jul 2025 64%
Distance
1,608 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 197 | 46 | 5 | 2 | B6,F9,NK,UA |
| Nov 2025 | 144 | 30 | 5 | 0 | UA,F9,B6 |
| Oct 2025 | 144 | 38 | 4 | 0 | B6,UA,F9 |
| Sep 2025 | 151 | 39 | 0 | 1 | UA,F9,B6 |
| Aug 2025 | 193 | 59 | 2 | 0 | F9,NK,UA,B6 |
| Jul 2025 | 199 | 72 | 10 | 1 | B6,UA,F9,NK |
| Jun 2025 | 180 | 44 | 6 | 0 | B6,UA,F9 |
| May 2025 | 207 | 61 | 3 | 0 | B6,UA,F9 |
| Apr 2025 | 206 | 51 | 3 | 3 | F9,UA,B6 |
| Mar 2025 | 212 | 72 | 1 | 3 | B6,UA,F9 |
| Feb 2025 | 192 | 35 | 1 | 0 | B6,UA,F9 |
| Jan 2025 | 219 | 67 | 0 | 2 | B6,UA,F9 |
| Dec 2024 | 225 | 68 | 1 | 0 | B6,F9,UA |
| Nov 2024 | 198 | 38 | 1 | 0 | UA,B6,F9 |
| Oct 2024 | 176 | 36 | 2 | 1 | UA,F9,B6 |
| Sep 2024 | 170 | 29 | 3 | 1 | UA,B6,F9 |
| Aug 2024 | 204 | 73 | 10 | 4 | B6,F9,UA |
| Jul 2024 | 213 | 76 | 5 | 2 | B6,F9,NK,UA |
| Jun 2024 | 185 | 51 | 4 | 4 | B6,F9,NK,UA |
| May 2024 | 186 | 42 | 2 | 0 | B6,NK,UA |
| Apr 2024 | 159 | 39 | 3 | 1 | B6,NK,UA |
| Mar 2024 | 160 | 43 | 3 | 0 | B6,NK,UA |
| Feb 2024 | 175 | 35 | 4 | 0 | B6,NK,UA |
| Jan 2024 | 200 | 50 | 3 | 0 | B6,NK,UA |
SJU–EWR seasonal on-time pattern
Best: November (81.4%) · weakest: July (62.4%)
Strongest calendar month
November
81.4% on-time · ~171 flights/mo
Busiest calendar month
July
~214 flights/mo avg
Weakest calendar month
July
62.4% on-time · ~214 flights/mo
Cancellation Rate
1.8%
81 of 4,495 flights
Diversion Rate
0.6%
25 of 4,495 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SJU - San Juan
Full on-time, delay-cause, and seasonal performance for San Juan, PR.
SJU on-time profileEWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
EWR on-time profileCompare the two airports
See SJU and EWR side by side on delays, cancellations, and reliability.
Compare SJU vs EWROrigin-hub reliability standing
Softer reliability from SJU
Among 21 routes leaving SJU, only 6 (including this one) clear below 75% on-time, while 1 stay ≥85% and 14 sit mid-band. Travelers comparing SJU options should weigh this 72.6% print against those peers · fleet on-time rank #4719 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SJU–EWR.
Routes with a similar on-time rate
What the Data Says About SJU to EWR
On-time performance on the SJU to EWR pairing (San Juan to Newark) trails a chunk of the network: 72.6% of 13,009 tracked flights arrived on schedule, with a 81.5-minute average delay on the ones that ran late. The route spans about 1,608 miles across 21 carriers. Cancellations over the trailing 24 months hit 1.8% (81 of 4,495 flights), with 0.6% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 83% on-time, while Jul 2025 came in at just 64% - a 19-point swing worth factoring into travel timing.
On the multi-year calendar, SJU–EWR peaks in November at 81.4% on-time while July carries the heaviest traffic (~214 flights per month) ; the softest month is July at 62.4%, a 19.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SJU to EWR rank among US routes by traffic? ▼
How often are flights delayed from SJU to EWR? ▼
What is the cancellation rate for SJU to EWR? ▼
How far is the flight from SJU to EWR? ▼
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Airports on this route
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.
Using SJU–EWR data
SJU–EWR sits 6.4 pts below the national 79% average; check the seasonal chart and airport profiles before treating the headline as typical.
- Compare SJU and EWR airport profiles: delay causes and top routes differ even on the same corridor. SJU airport
- If your dates flex, November (81.4% on-time) beats July (62.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 72.6% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.