United Airlines DEN to PDX on-time performance
United Airlines nonstop flights from Denver to Portland · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.3%
6 flights
Avg arrival delay
11 min
57 min when late
Rank on route
#2 of 5
route average 75% on time
Key facts
- United Airlines flights on DEN to PDX arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 5% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (51%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft51%
- Airline (crew, maintenance, cleaning, fueling)33%
- Air traffic control & airport congestion15%
- Extreme weather1%
- Security0%
Other airlines on DEN to PDX
- Southwest Airlines63% on time · 20 min avg delay
- Alaska Airlines80% on time · 13 min avg delay
- Frontier Airlines84% on time · 10 min avg delay
- SkyWest Airlines46% on time · 24 min avg delay
Full DEN to PDX comparison →
United Airlines on-time record across all routes →
1,825 United Airlines flights tracked on this route; 6 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.