HNL (Honolulu) to SEA (Seattle) flights arrive on time 79% of the time. The most reliable airline on this route is Delta Air Lines at 90%. The average delay is 62 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.HNL → SEA
HNL (Honolulu) to SEA (Seattle)
HNL → SEA on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 79% 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 90% on time vs Hawaiian Airlines at 64%.
Airline Comparison
Delta Air Lines leads at 90% on time; Hawaiian Airlines trails at 64%.
Accurate?
Good to know
Departing from HNL
83% on timeTSA is currently ~18 min. Best time: 4 AM (about 5 min).
Arriving at SEA
81% on timeWhen flights into SEA are late, the average delay is 58 minutes. Build buffer if you have ground plans.
If connecting at SEA: TSA is ~27 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.
Flying out of HNL? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Know someone flying soon?
Send them the link — delay data, TSA waits, weather, all free.
Data last updated October 2026. Source: Bureau of Transportation Statistics.