United Airlines MCI to DEN on-time performance
United Airlines nonstop flights from Kansas City to Denver · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.5%
7 flights
Avg arrival delay
13 min
58 min when late
Rank on route
#2 of 4
route average 77% on time
Key facts
- United Airlines flights on MCI to DEN arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (49%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion49%
- Late-arriving aircraft24%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather5%
- Security0%
Other airlines on MCI to DEN
- Southwest Airlines74% on time · 16 min avg delay
- SkyWest Airlines89% on time · 13 min avg delay
- Frontier Airlines79% on time · 26 min avg delay
Full MCI to DEN comparison →
United Airlines on-time record across all routes →
1,297 United Airlines flights tracked on this route; 7 cancelled, 2 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.