Route · SAN → SAT · 2020–2025 BTS data
San Diego to San Antonio
The SAN–SAT corridor (San Diego, CA → San Antonio, TX) runs behind the national average, served by 1 carrier across roughly 1,129 miles.
Data updated 2026-06-13
- 74.8%
- On-time
- -4.2 pts
- vs US avg
- 55 min
- Delay when late
- 2,261
- Flights
Cancelled
0.5%
Best Month
Sep 2025 84%
Worst Month
Jul 2024 57%
Distance
1,129 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 60 | 16 | 0 | 0 | WN |
| Nov 2025 | 56 | 14 | 1 | 0 | WN |
| Oct 2025 | 57 | 18 | 0 | 0 | WN |
| Sep 2025 | 56 | 9 | 1 | 0 | WN |
| Aug 2025 | 57 | 17 | 0 | 1 | WN |
| Jul 2025 | 61 | 16 | 0 | 0 | WN |
| Jun 2025 | 60 | 19 | 0 | 1 | WN |
| May 2025 | 57 | 16 | 0 | 0 | WN |
| Apr 2025 | 56 | 9 | 0 | 0 | WN |
| Mar 2025 | 55 | 13 | 0 | 0 | WN |
| Feb 2025 | 43 | 8 | 0 | 0 | WN |
| Jan 2025 | 42 | 8 | 1 | 0 | WN |
| Dec 2024 | 60 | 23 | 0 | 0 | WN |
| Nov 2024 | 56 | 9 | 0 | 0 | WN |
| Oct 2024 | 58 | 21 | 0 | 0 | WN |
| Sep 2024 | 60 | 12 | 0 | 0 | WN |
| Aug 2024 | 62 | 15 | 1 | 0 | WN |
| Jul 2024 | 61 | 26 | 1 | 0 | WN |
| Jun 2024 | 59 | 22 | 0 | 0 | WN |
| May 2024 | 58 | 17 | 1 | 0 | WN |
| Apr 2024 | 56 | 16 | 0 | 0 | WN |
| Mar 2024 | 53 | 12 | 0 | 0 | WN |
| Feb 2024 | 33 | 6 | 0 | 0 | WN |
| Jan 2024 | 41 | 10 | 0 | 0 | WN |
Cancellation Rate
0.5%
6 of 1,317 flights
Diversion Rate
0.2%
2 of 1,317 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Origin airport →SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Destination airport →Compare the two airports
See SAN 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 SAN–SAT.
Routes with a similar on-time rate
What the Data Says About SAN to SAT
On-time performance on the SAN to SAT pairing (San Diego to San Antonio) trails a chunk of the network: 74.8% of 2,261 tracked flights arrived on schedule, with a 54.7-minute average delay on the ones that ran late. The route spans about 1,129 miles across 1 carrier. Cancellations over the trailing 24 months hit 0.5% (6 of 1,317 flights), with 0.2% diverted.
The monthly split is wide on this route: Sep 2025 posted the strongest performance at 84% on-time, while Jul 2024 came in at just 57% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SAN to SAT? ▼
What is the cancellation rate for SAN to SAT? ▼
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Flight Guides
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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.