SkyWest Airlines is the most reliable airline on the PHX to GEG route with a 91% on-time rate, compared to American Airlines at 77%. Based on 54 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PHX to GEG
Phoenix to Spokane — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines91%
Frontier Airlines90%
Southwest Airlines80%
American Airlines77%
PHX to GEG Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 91% | 0.0% | 65m | 54 |
| Frontier AirlinesF9 | 90% | 0.0% | 177m | 10 |
| Southwest AirlinesWN | 80% | 0.1% | 42m | 1,955 |
| American AirlinesAAWorst | 77% | 0.1% | 77m | 2,005 |
Route Overview
78%
Overall On-Time
62m
Avg Delay
0.1%
Cancel Rate
4,076
Total Flights
Flying out of PHX? We'll brief you.
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Data last updated October 2026. Source: Bureau of Transportation Statistics.