SkyWest Airlines is the most reliable airline on the SEA to GEG route with a 87% on-time rate, compared to Alaska Airlines at 73%. Based on 11,168 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to GEG
Seattle to Spokane — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines87%
Delta Air Lines74%
Alaska Airlines73%
SEA to GEG Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 87% | 0.5% | 57m | 11,168 |
| Delta Air LinesDL | 74% | 1.4% | 94m | 1,258 |
| Alaska AirlinesASWorst | 73% | 0.8% | 43m | 5,859 |
Route Overview
82%
Overall On-Time
54m
Avg Delay
0.6%
Cancel Rate
18,306
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.