SkyWest Airlines is the most reliable airline on the SBP to SEA route with a 86% on-time rate, compared to Alaska Airlines at 77%. Based on 603 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SBP to SEA
San Luis Obispo to Seattle — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines86%
Alaska Airlines77%
SBP to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 86% | 0.9% | 60m | 603 |
| Alaska AirlinesASWorst | 77% | 1.0% | 62m | 460 |
Route Overview
81%
Overall On-Time
65m
Avg Delay
0.8%
Cancel Rate
1,069
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.