United Airlines DEN to DAY on-time performance
United Airlines nonstop flights from Denver to Dayton · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
21 min
67 min when late
Rank on route
#2 of 2
route average 73% on time
Key facts
- United Airlines flights on DEN to DAY arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 73% on time overall.
- The largest source of delay minutes was late-arriving aircraft (57%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft57%
- Airline (crew, maintenance, cleaning, fueling)24%
- Air traffic control & airport congestion18%
- Extreme weather1%
- Security0%
Other airlines on DEN to DAY
- SkyWest Airlines89% on time · 8 min avg delay
Full DEN to DAY comparison →
United Airlines on-time record across all routes →
308 United Airlines flights tracked on this route; 0 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.