United Airlines DEN to BIL on-time performance
United Airlines nonstop flights from Denver to Billings · Aug 2025 – Jul 2026
On-time arrivals
79%
arrived < 15 min late
Cancelled
0.1%
1 flights
Avg arrival delay
14 min
62 min when late
Rank on route
#2 of 2
route average 81% on time
Key facts
- United Airlines flights on DEN to BIL arrived on time 79% of the time in Aug 2025 – Jul 2026.
- 0.1% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 2 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was late-arriving aircraft (56%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft56%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion10%
- Extreme weather2%
- Security0%
Other airlines on DEN to BIL
- SkyWest Airlines82% on time · 12 min avg delay
Full DEN to BIL comparison →
United Airlines on-time record across all routes →
729 United Airlines flights tracked on this route; 1 cancelled, 2 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.