Route Reliability
Houston → Austin
IAH–AUS · 140 miles · George Bush Intercontinental Airport to Austin–Bergstrom International Airport
- 80%
- Arrive within 15 minutes
- 9 min
- Average arrival delay
- 1.1%
- Cancelled
- 2,859
- Flights in the data
Data through May 2026.
United Airlines is the only airline in this data on this route, arriving on time 80% of the time across 2,859 flights. No comparison to make.
What the data says
Morning flights do better here.
IAH–AUS flights departing between 6–9 AM arrived on time 90% of the time, versus 67% between 3–6 PM.
Sunday scaries are real for this one.
IAH–AUS flights arrived on time 84% of the time on Tuesdays. On Sundays: 73%.
Slipping a little lately.
IAH–AUS flights arrived on time 81% of the time over the last three months in the data, compared with 86% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon79%(410 flights)
- Tue84%(383 flights)
- Wed82%(410 flights)
- Thu78%(412 flights)
- Fri80%(408 flights)
- Sat80%(385 flights)
- Sun73%(417 flights)
- 6–9 AM90%(357 flights)
- 9 AM–12 PM86%(456 flights)
- 12–3 PM82%(629 flights)
- 3–6 PM67%(358 flights)
- 6–9 PM74%(721 flights)
- 9 PM–12 AM81%(304 flights)
Jun 63% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 63% | 232 |
| July 2025 | 70% | 236 |
| August 2025 | 78% | 243 |
| September 2025 | 88% | 238 |
| October 2025 | 81% | 239 |
| November 2025 | 74% | 227 |
| December 2025 | 81% | 241 |
| January 2026 | 86% | 236 |
| February 2026 | 90% | 219 |
| March 2026 | 80% | 239 |
| April 2026 | 85% | 236 |
| May 2026 | 77% | 239 |
Same trip, other airports
Keep nerding
Based on 2,859 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.