SkyWest Airlines MSO to SEA on-time performance
SkyWest Airlines nonstop flights from Missoula to Seattle · Aug 2025 – Jul 2026Regional airline operating flights for United Express, Delta Connection, American Eagle and Alaska.
On-time arrivals
85%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
8 min
43 min when late
Rank on route
#1 of 2
route average 82% on time
Key facts
- SkyWest Airlines flights on MSO to SEA arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 3% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (63%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft63%
- Air traffic control & airport congestion13%
- Extreme weather13%
- Airline (crew, maintenance, cleaning, fueling)11%
- Security0%
Other airlines on MSO to SEA
- Alaska Airlines82% on time · 11 min avg delay
Full MSO to SEA comparison →
SkyWest Airlines on-time record across all routes →
108 SkyWest Airlines flights tracked on this route; 0 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.