Southwest Airlines is the most reliable airline on the SAN to GEG route with a 83% on-time rate, compared to Alaska Airlines at 78%. Based on 42 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SAN to GEG
San Diego to Spokane — airline reliability comparison
On-Time Rate by Airline
Southwest Airlines83%
SkyWest Airlines82%
Alaska Airlines78%
SAN to GEG Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| Southwest AirlinesWNBest | 83% | 0.0% | 50m | 42 |
| SkyWest AirlinesOO | 82% | 0.0% | 40m | 67 |
| Alaska AirlinesASWorst | 78% | 0.8% | 51m | 1,154 |
Route Overview
79%
Overall On-Time
51m
Avg Delay
0.7%
Cancel Rate
1,292
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.