United Airlines SAT to ORD on-time performance
United Airlines nonstop flights from San Antonio to Chicago · Aug 2025 – Jul 2026
On-time arrivals
80%
arrived < 15 min late
Cancelled
1.4%
12 flights
Avg arrival delay
18 min
84 min when late
Rank on route
#1 of 5
route average 77% on time
Key facts
- United Airlines flights on SAT to ORD arrived on time 80% of the time in Aug 2025 – Jul 2026.
- 1.4% were cancelled, and 7% arrived an hour or more late.
- That ranks #1 of 5 airlines on this route, which averaged 77% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (41%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion41%
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)22%
- Extreme weather1%
- Security0%
Other airlines on SAT to ORD
- American Airlines74% on time · 21 min avg delay
- Envoy Air77% on time · 16 min avg delay
- SkyWest Airlines67% on time · 20 min avg delay
- Republic Airways75% on time · 14 min avg delay
Full SAT to ORD comparison →
United Airlines on-time record across all routes →
860 United Airlines flights tracked on this route; 12 cancelled, 7 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.