Alaska Airlines SEA to ANC on-time performance
Alaska Airlines nonstop flights from Seattle to Anchorage · Aug 2025 – Jul 2026
On-time arrivals
76%
arrived < 15 min late
Cancelled
0.9%
43 flights
Avg arrival delay
13 min
47 min when late
Rank on route
#2 of 3
route average 76% on time
Key facts
- Alaska Airlines flights on SEA to ANC arrived on time 76% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)45%
- Late-arriving aircraft34%
- Air traffic control & airport congestion20%
- Extreme weather2%
- Security0%
Other airlines on SEA to ANC
- Delta Air Lines77% on time · 15 min avg delay
- Hawaiian Airlines57% on time · 20 min avg delay
Full SEA to ANC comparison →
Alaska Airlines on-time record across all routes →
4,982 Alaska Airlines flights tracked on this route; 43 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.