ANC (Anchorage) to SEA (Seattle) flights arrive on time 85% of the time. The most reliable airline on this route is Delta Air Lines at 91%. The average delay is 59 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.ANC → SEA
ANC (Anchorage) to SEA (Seattle)
ANC → SEA on-time performance by month
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JanFebMarAprMayJunJulAugSepOctNovDec
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This route is usually on time. About 85% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines is significantly more reliable on this route at 91% on time vs Hawaiian Airlines at 31%.
Airline Comparison
Delta Air Lines leads at 91% on time; Hawaiian Airlines trails at 31%.
Accurate?
Good to know
Departing from ANC
82% on timeExpect ~16 min sitting on the taxiway after your gate pushes back. ANC has long runway queues.
TSA is currently ~6 min. Best time: 4 AM (about 6 min).
Arriving at SEA
82% on timeWhen flights into SEA are late, the average delay is 57 minutes. Build buffer if you have ground plans.
If connecting at SEA: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.
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Data last updated March 2026. Source: Bureau of Transportation Statistics.