SEA (Seattle) to LIH (Kauai) flights arrive on time 78% of the time. The most reliable airline on this route is Delta Air Lines at 83%. The average delay is 53 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Source: Bureau of Transportation Statistics. Updated October 2026.SEA → LIH
SEA (Seattle) to LIH (Kauai)
SEA → LIH on-time performance by month
24
25
26
JanFebMarAprMayJunJulAugSepOctNovDec
Worse
Better
This route is on time most of the time. About 78% of flights arrive on schedule.
Delays on this route are most often caused by the airline (crew, maintenance, or boarding).
Accurate?
Delta Air Lines edges out Alaska Airlines on this route — 83% vs 76% on time.
Airline Comparison
Delta Air Lines leads at 83% on time; Alaska Airlines trails at 76%.
Accurate?
Good to know
Departing from SEA
81% on timeExpect ~20 min sitting on the taxiway after your gate pushes back. SEA has long runway queues.
TSA is currently ~27 min. Best time: 4 AM (about 5 min).
Arriving at LIH
85% on timeWhen flights into LIH are late, the average delay is 50 minutes. Build buffer if you have ground plans.
If connecting at LIH: TSA is ~10 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 SEA? 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.