SkyWest Airlines is the most reliable airline on the GEG to PHX route with a 96% on-time rate, compared to American Airlines at 85%. Based on 52 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: GEG to PHX
Spokane to Phoenix — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines96%
Frontier Airlines90%
Southwest Airlines86%
American Airlines85%
GEG to PHX Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 96% | 0.0% | 170m | 52 |
| Frontier AirlinesF9 | 90% | 0.0% | 144m | 10 |
| Southwest AirlinesWN | 86% | 0.1% | 49m | 1,956 |
| American AirlinesAAWorst | 85% | 0.2% | 140m | 2,004 |
Route Overview
85%
Overall On-Time
97m
Avg Delay
0.2%
Cancel Rate
4,076
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.