Route · SAT → HOU · 2020–2025 BTS data
San Antonio to Houston
The SAT–HOU corridor (San Antonio, TX → Houston, TX) runs ahead of the national average, served by 1 carrier across roughly 192 miles.
Data updated 2026-06-13
- 83.9%
- On-time
- +4.9 pts
- vs US avg
- 55 min
- Delay when late
- 9,124
- Flights
Cancelled
0.8%
Best Month
Jan 2025 93%
Worst Month
Jul 2024 59%
Distance
192 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 122 | 15 | 0 | 0 | WN |
| Nov 2025 | 119 | 28 | 0 | 0 | WN |
| Oct 2025 | 140 | 25 | 1 | 0 | WN |
| Sep 2025 | 141 | 24 | 0 | 0 | WN |
| Aug 2025 | 144 | 31 | 0 | 1 | WN |
| Jul 2025 | 131 | 48 | 0 | 0 | WN |
| Jun 2025 | 129 | 38 | 2 | 0 | WN |
| May 2025 | 133 | 27 | 1 | 1 | WN |
| Apr 2025 | 128 | 31 | 2 | 1 | WN |
| Mar 2025 | 133 | 20 | 0 | 0 | WN |
| Feb 2025 | 115 | 18 | 0 | 1 | WN |
| Jan 2025 | 126 | 9 | 6 | 0 | WN |
| Dec 2024 | 122 | 25 | 0 | 0 | WN |
| Nov 2024 | 121 | 20 | 0 | 0 | WN |
| Oct 2024 | 130 | 16 | 0 | 1 | WN |
| Sep 2024 | 121 | 18 | 0 | 0 | WN |
| Aug 2024 | 126 | 21 | 0 | 0 | WN |
| Jul 2024 | 138 | 57 | 7 | 1 | WN |
| Jun 2024 | 137 | 43 | 1 | 0 | WN |
| May 2024 | 151 | 39 | 5 | 1 | WN |
| Apr 2024 | 147 | 29 | 0 | 0 | WN |
| Mar 2024 | 154 | 26 | 0 | 0 | WN |
| Feb 2024 | 141 | 11 | 0 | 0 | WN |
| Jan 2024 | 151 | 29 | 2 | 0 | WN |
Cancellation Rate
0.8%
27 of 3,200 flights
Diversion Rate
0.2%
7 of 3,200 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 →HOU - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See SAT and HOU 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–HOU.
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Routes of a similar trip length
What the Data Says About SAT to HOU
Bureau of Transportation Statistics records show San Antonio to Houston (SAT to HOU) running a 83.9% on-time rate over 9,124 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 55.4 minutes. The 192-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 3,200 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Jan 2025 posted the strongest performance at 93% on-time, while Jul 2024 came in at just 59% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SAT to HOU? ▼
What is the cancellation rate for SAT to HOU? ▼
How far is the flight from SAT to HOU? ▼
When is the best time to fly from SAT to HOU? ▼
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.