Alaska Airlines AUS to SEA on-time performance
Alaska Airlines nonstop flights from Austin to Seattle · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
0.8%
8 flights
Avg arrival delay
10 min
50 min when late
Rank on route
#2 of 3
route average 82% on time
Key facts
- Alaska Airlines flights on AUS to SEA arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 0.8% were cancelled, and 4% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (43%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft43%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather4%
- Security3%
Other airlines on AUS to SEA
- Delta Air Lines85% on time · 14 min avg delay
- Southwest Airlines51% on time · 19 min avg delay
Full AUS to SEA comparison →
Alaska Airlines on-time record across all routes →
1,066 Alaska Airlines flights tracked on this route; 8 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.