Route · EWR → SAN · 2020–2025 BTS data
Newark to San Diego
The EWR–SAN corridor (Newark, NJ → San Diego, CA) runs behind the national average, served by 6 carriers across roughly 2,425 miles.
Data updated 2026-06-13
- 77.8%
- On-time
- -1.2 pts
- vs US avg
- 75 min
- Delay when late
- 8,412
- Flights
Cancelled
1.6%
Best Month
Jan 2025 88%
Worst Month
Jul 2024 58%
Distance
2,425 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 124 | 27 | 2 | 1 | AS,UA |
| Nov 2025 | 118 | 31 | 3 | 2 | UA,AS |
| Oct 2025 | 145 | 33 | 0 | 4 | AS,UA |
| Sep 2025 | 143 | 19 | 1 | 3 | UA,AS |
| Aug 2025 | 155 | 32 | 1 | 1 | UA,AS |
| Jul 2025 | 154 | 44 | 7 | 1 | AS,UA |
| Jun 2025 | 136 | 37 | 3 | 0 | AS,UA |
| May 2025 | 137 | 42 | 3 | 0 | AS,UA |
| Apr 2025 | 118 | 25 | 0 | 0 | UA,AS |
| Mar 2025 | 124 | 17 | 0 | 1 | AS,UA |
| Feb 2025 | 100 | 28 | 0 | 1 | AS,UA |
| Jan 2025 | 98 | 12 | 1 | 2 | AS,UA |
| Dec 2024 | 124 | 37 | 3 | 4 | AS,UA |
| Nov 2024 | 117 | 35 | 0 | 0 | UA,AS |
| Oct 2024 | 150 | 31 | 3 | 2 | UA,AS |
| Sep 2024 | 150 | 28 | 0 | 0 | UA,AS |
| Aug 2024 | 155 | 37 | 10 | 0 | AS,UA |
| Jul 2024 | 155 | 65 | 4 | 0 | AS,UA |
| Jun 2024 | 150 | 42 | 2 | 1 | AS,UA |
| May 2024 | 153 | 47 | 0 | 0 | AS,UA |
| Apr 2024 | 148 | 25 | 4 | 1 | AS,UA |
| Mar 2024 | 125 | 21 | 1 | 0 | AS,UA |
| Feb 2024 | 102 | 13 | 0 | 0 | AS,UA |
| Jan 2024 | 100 | 17 | 3 | 1 | AS,UA |
Cancellation Rate
1.6%
51 of 3,181 flights
Diversion Rate
0.8%
25 of 3,181 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 →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See EWR and SAN 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–SAN.
Routes with a similar on-time rate
What the Data Says About EWR to SAN
The Newark to San Diego corridor (EWR to SAN) posts a 77.8% on-time rate on the lower edge of the average band, based on 8,412 tracked flights. Late flights run 74.5 minutes behind on average. 6 carriers cover the 2,425-mile route; over the last 24 months, 51 of 3,181 flights were cancelled (1.6%) and 0.8% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 88% on-time, while Jul 2024 came in at just 58% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from EWR to SAN? ▼
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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.