Alaska Airlines SEA to AUS on-time performance
Alaska Airlines nonstop flights from Seattle to Austin · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.7%
7 flights
Avg arrival delay
10 min
45 min when late
Rank on route
#1 of 3
route average 79% on time
Key facts
- Alaska Airlines flights on SEA to AUS arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (34%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion34%
- Airline (crew, maintenance, cleaning, fueling)33%
- Late-arriving aircraft29%
- Extreme weather4%
- Security0%
Other airlines on SEA to AUS
- Delta Air Lines80% on time · 14 min avg delay
- Southwest Airlines47% on time · 31 min avg delay
Full SEA to AUS comparison →
Alaska Airlines on-time record across all routes →
1,066 Alaska Airlines flights tracked on this route; 7 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.