SkyWest Airlines is the most reliable airline on the SEA to SBP route with a 85% on-time rate, compared to Alaska Airlines at 81%. Based on 582 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to SBP
Seattle to San Luis Obispo — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines85%
Alaska Airlines81%
SEA to SBP Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 85% | 0.1% | 43m | 582 |
| Alaska AirlinesASWorst | 81% | 0.4% | 50m | 460 |
Route Overview
81%
Overall On-Time
49m
Avg Delay
0.3%
Cancel Rate
1,048
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.