United Airlines DEN to LAS on-time performance
United Airlines nonstop flights from Denver to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
0.3%
7 flights
Avg arrival delay
14 min
63 min when late
Rank on route
#1 of 3
route average 76% on time
Key facts
- United Airlines flights on DEN to LAS arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (45%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft45%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather3%
- Security0%
Other airlines on DEN to LAS
- Southwest Airlines72% on time · 17 min avg delay
- Frontier Airlines76% on time · 19 min avg delay
Full DEN to LAS comparison →
United Airlines on-time record across all routes →
2,392 United Airlines flights tracked on this route; 7 cancelled, 5 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.