SkyWest Airlines is the most reliable airline on the PDX to MSO route with a 84% on-time rate. Based on 123 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: PDX to MSO
Portland to Missoula — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines84%
PDX to MSO Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 84% | 0.0% | 49m | 123 |
Route Overview
83%
Overall On-Time
42m
Avg Delay
0%
Cancel Rate
123
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.