United Airlines IAH to AUS on-time performance
United Airlines nonstop flights from Houston to Austin · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.8%
20 flights
Avg arrival delay
14 min
63 min when late
Rank on route
#2 of 2
route average 80% on time
Key facts
- United Airlines flights on IAH to AUS arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (37%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion25%
- Extreme weather5%
- Security0%
Other airlines on IAH to AUS
- SkyWest Airlines87% on time · 10 min avg delay
Full IAH to AUS comparison →
United Airlines on-time record across all routes →
2,657 United Airlines flights tracked on this route; 20 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.