United Airlines CLE to DEN on-time performance
United Airlines nonstop flights from Cleveland to Denver · Aug 2025 – Jul 2026
On-time arrivals
87%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
10 min
69 min when late
Rank on route
#1 of 3
route average 82% on time
Key facts
- United Airlines flights on CLE to DEN arrived on time 87% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 4% arrived an hour or more late.
- That ranks #1 of 3 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (34%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)34%
- Late-arriving aircraft33%
- Air traffic control & airport congestion30%
- Extreme weather3%
- Security0%
Other airlines on CLE to DEN
- Southwest Airlines78% on time · 14 min avg delay
- Frontier Airlines75% on time · 15 min avg delay
Full CLE to DEN comparison →
United Airlines on-time record across all routes →
941 United Airlines flights tracked on this route; 1 cancelled, 1 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.