United Airlines SAT to DEN on-time performance
United Airlines nonstop flights from San Antonio to Denver · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
0.7%
8 flights
Avg arrival delay
15 min
81 min when late
Rank on route
#2 of 4
route average 82% on time
Key facts
- United Airlines flights on SAT to DEN arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 7% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)38%
- Air traffic control & airport congestion34%
- Late-arriving aircraft27%
- Extreme weather1%
- Security0%
Other airlines on SAT to DEN
- Southwest Airlines81% on time · 11 min avg delay
- Frontier Airlines81% on time · 18 min avg delay
- SkyWest Airlines89% on time · 19 min avg delay
Full SAT to DEN comparison →
United Airlines on-time record across all routes →
1,205 United Airlines flights tracked on this route; 8 cancelled, 4 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.