United Airlines DEN to MSO on-time performance
United Airlines nonstop flights from Denver to Missoula · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
12 min
53 min when late
Rank on route
#3 of 3
route average 82% on time
Key facts
- United Airlines flights on DEN to MSO arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 5% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was late-arriving aircraft (48%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft48%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion17%
- Extreme weather1%
- Security0%
Other airlines on DEN to MSO
- SkyWest Airlines85% on time · 11 min avg delay
- Frontier Airlines86% on time · 7 min avg delay
Full DEN to MSO comparison →
United Airlines on-time record across all routes →
717 United Airlines flights tracked on this route; 1 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.