Route · AUS → IAH · 2020–2025 BTS data
Austin to Houston
The AUS–IAH corridor (Austin, TX → Houston, TX) runs ahead of the national average, served by 13 carriers across roughly 140 miles.
Data updated 2026-06-13
- 82.2%
- On-time
- +3.2 pts
- vs US avg
- 74 min
- Delay when late
- 13,659
- Flights
Cancelled
1.5%
Best Month
Feb 2024 89%
Worst Month
Oct 2025 62%
Distance
140 mi
Carriers
13
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 232 | 41 | 1 | 0 | UA,OO |
| Nov 2025 | 221 | 71 | 3 | 0 | UA |
| Oct 2025 | 237 | 90 | 0 | 0 | UA |
| Sep 2025 | 237 | 54 | 1 | 0 | UA,OO |
| Aug 2025 | 213 | 57 | 4 | 0 | OO,UA |
| Jul 2025 | 188 | 54 | 2 | 0 | OO,UA |
| Jun 2025 | 200 | 58 | 5 | 3 | OO,UA |
| May 2025 | 234 | 53 | 7 | 0 | OO,UA |
| Apr 2025 | 229 | 44 | 0 | 1 | OO,UA |
| Mar 2025 | 235 | 35 | 0 | 0 | OO,UA |
| Feb 2025 | 204 | 35 | 0 | 0 | OO,UA |
| Jan 2025 | 207 | 26 | 12 | 0 | OO,UA |
| Dec 2024 | 190 | 32 | 3 | 0 | OO,UA |
| Nov 2024 | 214 | 35 | 3 | 0 | OO,UA |
| Oct 2024 | 215 | 37 | 1 | 0 | UA,OO |
| Sep 2024 | 187 | 25 | 0 | 0 | OO,UA |
| Aug 2024 | 187 | 34 | 0 | 0 | OO,UA |
| Jul 2024 | 193 | 53 | 14 | 0 | OO,UA |
| Jun 2024 | 183 | 44 | 4 | 1 | OO,UA |
| May 2024 | 165 | 45 | 6 | 0 | OO,UA |
| Apr 2024 | 148 | 28 | 0 | 0 | OO,UA |
| Mar 2024 | 194 | 31 | 1 | 1 | OO,UA |
| Feb 2024 | 158 | 17 | 0 | 0 | OO,UA |
| Jan 2024 | 159 | 34 | 7 | 0 | UA |
Cancellation Rate
1.5%
74 of 4,830 flights
Diversion Rate
0.1%
6 of 4,830 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
AUS - Austin
Full on-time, delay-cause, and seasonal performance for Austin, TX.
Origin airport →IAH - Houston
Full on-time, delay-cause, and seasonal performance for Houston, TX.
Destination airport →Compare the two airports
See AUS and IAH side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to AUS–IAH.
Routes with a similar on-time rate
What the Data Says About AUS to IAH
Bureau of Transportation Statistics records show Austin to Houston (AUS to IAH) running a 82.2% on-time rate over 13,659 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 73.7 minutes. The 140-mile corridor is served by 13 carriers, and over the last 24 months 1.5% of 4,830 flights were cancelled, 0.1% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 89% on-time, while Oct 2025 came in at just 62% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from AUS to IAH? ▼
What is the cancellation rate for AUS to IAH? ▼
How far is the flight from AUS to IAH? ▼
When is the best time to fly from AUS to IAH? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.