SEA (Seattle) to ANC (Anchorage) flights arrive on time 75% of the time. The most reliable airline on this route is Delta Air Lines at 84%. The average delay is 46 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated March 2026.SEA → ANC
SEA (Seattle) to ANC (Anchorage)
SEA → ANC on-time performance by month
24
25
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 75% 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 84% on time vs Hawaiian Airlines at 57%.
Airline Comparison
Delta Air Lines leads at 84% on time; Hawaiian Airlines trails at 57%.
Accurate?
Good to know
Departing from SEA
82% on timeExpect ~19 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.
TSA is currently ~5 min. Best time: 4 AM (about 5 min).
Arriving at ANC
82% on timeWhen flights into ANC are late, the average delay is 55 minutes. Build buffer if you have ground plans.
If connecting at ANC: TSA is ~6 min right now. Allow at least 60 minutes for a domestic connection.
Flight cancelled or delayed?
Check what Delta Air Lines owes you — refund rights, action plan, complaint email. Free.
Free flight briefing
Know before you go
Flying SEA → ANC? We'll brief you before takeoff.
Delay riskDOT stats + live data
TSA waitCurrent checkpoint lines
WeatherBoth airports
Gate & terminalLive updates
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated March 2026. Source: Bureau of Transportation Statistics.