Alaska Airlines ANC to SEA on-time performance
Alaska Airlines nonstop flights from Anchorage to Seattle · Aug 2025 – Jul 2026
On-time arrivals
86%
arrived < 15 min late
Cancelled
0.9%
47 flights
Avg arrival delay
8 min
52 min when late
Rank on route
#2 of 3
route average 86% on time
Key facts
- Alaska Airlines flights on ANC to SEA arrived on time 86% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 3% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 86% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (46%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)46%
- Late-arriving aircraft25%
- Air traffic control & airport congestion20%
- Extreme weather9%
- Security1%
Other airlines on ANC to SEA
- Delta Air Lines88% on time · 13 min avg delay
- Hawaiian Airlines27% on time · 51 min avg delay
Full ANC to SEA comparison →
Alaska Airlines on-time record across all routes →
4,980 Alaska Airlines flights tracked on this route; 47 cancelled, 4 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.