SkyWest Airlines is the most reliable airline on the STS to SEA route with a 79% on-time rate, compared to Alaska Airlines at 75%. Based on 482 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: STS to SEA
Santa Rosa to Seattle — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines79%
Alaska Airlines75%
STS to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 79% | 0.7% | 54m | 482 |
| Alaska AirlinesASWorst | 75% | 0.9% | 50m | 1,142 |
Route Overview
76%
Overall On-Time
53m
Avg Delay
0.9%
Cancel Rate
1,670
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.