United Airlines MSO to DEN on-time performance
United Airlines nonstop flights from Missoula to Denver · Aug 2025 – Jul 2026
On-time arrivals
84%
arrived < 15 min late
Cancelled
0.3%
2 flights
Avg arrival delay
15 min
86 min when late
Rank on route
#2 of 3
route average 81% on time
Key facts
- United Airlines flights on MSO to DEN arrived on time 84% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (39%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion39%
- Airline (crew, maintenance, cleaning, fueling)33%
- Late-arriving aircraft20%
- Extreme weather8%
- Security0%
Other airlines on MSO to DEN
- SkyWest Airlines76% on time · 23 min avg delay
- Frontier Airlines86% on time · 7 min avg delay
Full MSO to DEN comparison →
United Airlines on-time record across all routes →
717 United Airlines flights tracked on this route; 2 cancelled, 4 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.