Route · EWR → SAT · 2020–2025 BTS data
Newark to San Antonio
The EWR–SAT corridor (Newark, NJ → San Antonio, TX) runs ahead of the national average, served by 6 carriers across roughly 1,569 miles.
Data updated 2026-06-13
- 83.5%
- On-time
- +4.5 pts
- vs US avg
- 75 min
- Delay when late
- 3,118
- Flights
Cancelled
0.7%
Best Month
Nov 2025 95%
Worst Month
Oct 2025 75%
Distance
1,569 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 58 | 13 | 0 | 0 | UA |
| Nov 2025 | 56 | 3 | 0 | 0 | UA |
| Oct 2025 | 55 | 14 | 0 | 0 | UA |
| Sep 2025 | 34 | 2 | 0 | 0 | UA |
| Aug 2025 | 31 | 5 | 0 | 0 | UA |
| Jul 2025 | 33 | 8 | 0 | 0 | UA,NK |
| Jun 2025 | 39 | 9 | 1 | 0 | NK,UA |
| May 2025 | 38 | 12 | 0 | 0 | UA,NK |
| Apr 2025 | 31 | 4 | 0 | 0 | UA |
| Mar 2025 | 55 | 12 | 0 | 0 | UA |
| Feb 2025 | 42 | 5 | 0 | 0 | UA |
| Jan 2025 | 36 | 9 | 0 | 0 | UA |
| Dec 2024 | 59 | 6 | 1 | 0 | UA |
| Nov 2024 | 54 | 7 | 0 | 0 | UA,NK |
| Oct 2024 | 78 | 7 | 0 | 0 | UA,NK |
| Sep 2024 | 81 | 7 | 1 | 0 | UA,NK |
| Aug 2024 | 84 | 19 | 2 | 0 | NK,UA |
| Jul 2024 | 84 | 19 | 2 | 1 | NK,UA |
| Jun 2024 | 80 | 11 | 1 | 0 | NK,UA |
| May 2024 | 84 | 18 | 0 | 2 | NK,UA |
| Apr 2024 | 69 | 12 | 0 | 0 | NK,UA |
| Mar 2024 | 47 | 5 | 0 | 0 | UA |
| Feb 2024 | 58 | 4 | 1 | 0 | UA |
| Jan 2024 | 62 | 7 | 1 | 0 | UA |
Cancellation Rate
0.7%
10 of 1,348 flights
Diversion Rate
0.2%
3 of 1,348 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 →SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Destination airport →Compare the two airports
See EWR and SAT 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–SAT.
Routes with a similar on-time rate
What the Data Says About EWR to SAT
Bureau of Transportation Statistics records show Newark to San Antonio (EWR to SAT) running a 83.5% on-time rate over 3,118 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.5 minutes. The 1,569-mile corridor is served by 6 carriers, and over the last 24 months 0.7% of 1,348 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 95% on-time, while Oct 2025 came in at just 75% - a 20-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from EWR to SAT? ▼
What is the cancellation rate for EWR to SAT? ▼
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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.