United Airlines DEN to RDU on-time performance
United Airlines nonstop flights from Denver to Raleigh/Durham · Aug 2025 – Jul 2026
On-time arrivals
82%
arrived < 15 min late
Cancelled
0.5%
4 flights
Avg arrival delay
13 min
64 min when late
Rank on route
#2 of 3
route average 76% on time
Key facts
- United Airlines flights on DEN to RDU arrived on time 82% of the time in Aug 2025 – Jul 2026.
- 0.5% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion22%
- Extreme weather2%
- Security0%
Other airlines on DEN to RDU
- Southwest Airlines65% on time · 20 min avg delay
- Frontier Airlines87% on time · 8 min avg delay
Full DEN to RDU comparison →
United Airlines on-time record across all routes →
744 United Airlines flights tracked on this route; 4 cancelled, 3 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.