Route · SAT → SAN · 2020–2025 BTS data
San Antonio to San Diego
The SAT–SAN corridor (San Antonio, TX → San Diego, CA) runs ahead of the national average, served by 1 carrier across roughly 1,129 miles.
Data updated 2026-06-13
- 81.5%
- On-time
- +2.5 pts
- vs US avg
- 57 min
- Delay when late
- 2,199
- Flights
Cancelled
0.2%
Best Month
Nov 2024 91%
Worst Month
Jun 2025 66%
Distance
1,129 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 60 | 15 | 1 | 0 | WN |
| Nov 2025 | 56 | 8 | 1 | 1 | WN |
| Oct 2025 | 57 | 11 | 0 | 0 | WN |
| Sep 2025 | 56 | 10 | 0 | 1 | WN |
| Aug 2025 | 57 | 8 | 0 | 0 | WN |
| Jul 2025 | 61 | 17 | 0 | 0 | WN |
| Jun 2025 | 59 | 20 | 0 | 0 | WN |
| May 2025 | 43 | 8 | 0 | 0 | WN |
| Apr 2025 | 47 | 7 | 0 | 0 | WN |
| Mar 2025 | 54 | 7 | 0 | 0 | WN |
| Feb 2025 | 36 | 4 | 0 | 0 | WN |
| Jan 2025 | 37 | 4 | 0 | 0 | WN |
| Dec 2024 | 60 | 19 | 1 | 4 | WN |
| Nov 2024 | 56 | 5 | 0 | 0 | WN |
| Oct 2024 | 58 | 13 | 0 | 0 | WN |
| Sep 2024 | 60 | 10 | 0 | 0 | WN |
| Aug 2024 | 62 | 6 | 0 | 0 | WN |
| Jul 2024 | 61 | 16 | 0 | 0 | WN |
| Jun 2024 | 59 | 15 | 0 | 0 | WN |
| May 2024 | 58 | 17 | 0 | 0 | WN |
| Apr 2024 | 56 | 16 | 0 | 0 | WN |
| Mar 2024 | 52 | 12 | 0 | 0 | WN |
| Jan 2024 | 38 | 9 | 0 | 0 | WN |
| Dec 2023 | 62 | 10 | 0 | 0 | WN |
Cancellation Rate
0.2%
3 of 1,305 flights
Diversion Rate
0.5%
6 of 1,305 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SAT - San Antonio
Full on-time, delay-cause, and seasonal performance for San Antonio, TX.
Origin airport →SAN - San Diego
Full on-time, delay-cause, and seasonal performance for San Diego, CA.
Destination airport →Compare the two airports
See SAT 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 SAT–SAN.
Routes with a similar on-time rate
What the Data Says About SAT to SAN
2,199 tracked flights put the SAT to SAN pairing (San Antonio to San Diego) at a 81.5% on-time rate, squarely in line with the wider network. Delays that do occur run 56.9 minutes on average. Across the 1,129-mile route and its 1 carrier, the trailing 24 months show 0.2% cancelled and 0.5% diverted (1,305 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 91% on-time, while Jun 2025 came in at just 66% - a 25-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SAT to SAN? ▼
What is the cancellation rate for SAT to SAN? ▼
How far is the flight from SAT to SAN? ▼
When is the best time to fly from SAT to SAN? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
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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.