United Airlines DEN to SMF on-time performance
United Airlines nonstop flights from Denver to Sacramento · Aug 2025 – Jul 2026
On-time arrivals
81%
arrived < 15 min late
Cancelled
0.3%
5 flights
Avg arrival delay
12 min
60 min when late
Rank on route
#3 of 4
route average 74% on time
Key facts
- United Airlines flights on DEN to SMF arrived on time 81% of the time in Aug 2025 – Jul 2026.
- 0.3% were cancelled, and 6% arrived an hour or more late.
- That ranks #3 of 4 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (54%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft54%
- Airline (crew, maintenance, cleaning, fueling)32%
- Air traffic control & airport congestion12%
- Extreme weather2%
- Security0%
Other airlines on DEN to SMF
- Southwest Airlines66% on time · 19 min avg delay
- Frontier Airlines82% on time · 13 min avg delay
- SkyWest Airlines100% on time · 0 min avg delay
Full DEN to SMF comparison →
United Airlines on-time record across all routes →
1,793 United Airlines flights tracked on this route; 5 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.