Allegiant Air IAD to AUS on-time performance
Allegiant Air nonstop flights from Washington to Austin · Aug 2025 – Jul 2026
On-time arrivals
63%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
21 min
57 min when late
Rank on route
#3 of 3
route average 85% on time
Key facts
- Allegiant Air flights on IAD to AUS arrived on time 63% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 17% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 85% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (54%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion54%
- Late-arriving aircraft17%
- Extreme weather17%
- Airline (crew, maintenance, cleaning, fueling)12%
- Security0%
Other airlines on IAD to AUS
- United Airlines85% on time · 10 min avg delay
- Republic Airways85% on time · 6 min avg delay
Full IAD to AUS comparison →
Allegiant Air on-time record across all routes →
24 Allegiant Air flights tracked on this route; 0 cancelled, 0 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.