United Airlines AUS to IAD on-time performance
United Airlines nonstop flights from Austin to Washington · Aug 2025 – Jul 2026
On-time arrivals
91%
arrived < 15 min late
Cancelled
1.0%
10 flights
Avg arrival delay
8 min
79 min when late
Rank on route
#1 of 3
route average 90% on time
Key facts
- United Airlines flights on AUS to IAD arrived on time 91% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 90% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)38%
- Late-arriving aircraft33%
- Air traffic control & airport congestion28%
- Extreme weather2%
- Security0%
Other airlines on AUS to IAD
- Allegiant Air58% on time · 28 min avg delay
- Republic Airways79% on time · 193 min avg delay
Full AUS to IAD comparison →
United Airlines on-time record across all routes →
1,004 United Airlines flights tracked on this route; 10 cancelled, 1 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.