HNL to SEA flight delays & on-time performance
Nonstop flights from Daniel K. Inouye International Airport to Seattle–Tacoma International Airport · 2,677 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HNL or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Honolulu (HNL) to Seattle (SEA) arrived on time 75% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.9% were cancelled, and 7% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (90% on time); Hawaiian Airlines was the least (66%).
- Departures scheduled around 10pm did best (93% on time); around 10am did worst (56%).
- Friday was the most reliable day to fly (78% on time) and Thursday the least (74%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (57%).
Which airline is most on time from HNL to SEA?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Delta Air Lines | 90% | 1.0% | 10 min | 3.3% | 789 |
| Alaska Airlines | 71% | 0.9% | 19 min | 8.0% | 1,545 |
| Hawaiian Airlines | 66% | 0.7% | 31 min | 10.1% | 603 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%233 flights
- 8am81%182 flights
- 10am56%140 flights
- 11am71%91 flights
- 12pm60%252 flights
- 1pm76%477 flights
- 2pm70%236 flights
- 3pm76%192 flights
- 4pm71%55 flights
- 9pm75%325 flights
- 10pm93%300 flights
- 11pm78%427 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%0.5% cancelled
- Tuesday75%0.2% cancelled
- Wednesday75%0.5% cancelled
- Thursday74%1.9% cancelled
- Friday78%1.4% cancelled
- Saturday74%1.2% cancelled
- Sunday76%0.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)57%
- Late-arriving aircraft31%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)92%
- Extreme weather8%
- Air traffic control & airport congestion0%
- Security0%
HNL to SEA: common questions
- How often are HNL to SEA flights on time?
- 75% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Honolulu to Seattle cancelled?
- 0.9% of scheduled flights were cancelled (26 of 2,937).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 72 min behind schedule on average, and 7.2% of flights were an hour or more late.
- How long is taxi time at HNL?
- Flights on this route spent 20 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to HNL — 66% on time
More flights from Honolulu
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: HNL → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.