SkyWest Airlines is the most reliable airline on the MSO to SEA route with a 79% on-time rate, compared to Alaska Airlines at 77%. Based on 167 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: MSO to SEA
Missoula to Seattle — airline reliability comparison
On-Time Rate by Airline
SkyWest Airlines79%
Alaska Airlines77%
MSO to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| SkyWest AirlinesOOBest | 79% | 0.7% | 34m | 167 |
| Alaska AirlinesASWorst | 77% | 0.8% | 56m | 994 |
Route Overview
79%
Overall On-Time
54m
Avg Delay
0.9%
Cancel Rate
1,161
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.