Delta Air Lines is the most reliable airline on the SEA to HNL route with a 82% on-time rate, compared to Hawaiian Airlines at 65%. Based on 2,711 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to HNL
Seattle to Honolulu — airline reliability comparison
On-Time Rate by Airline
Delta Air Lines82%
Alaska Airlines71%
Hawaiian Airlines65%
SEA to HNL Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Delta Air LinesDLBest | 82% | 0.5% | 82m | 2,711 |
| Alaska AirlinesAS | 71% | 1.0% | 51m | 5,701 |
| Hawaiian AirlinesHAWorst | 65% | 0.9% | 70m | 1,927 |
Route Overview
72%
Overall On-Time
63m
Avg Delay
0.9%
Cancel Rate
10,339
Total Flights
Flying out of SEA? We'll brief you.
Delays, TSA, weather, gates — we'll let you know if something matters.
Data last updated October 2026. Source: Bureau of Transportation Statistics.