United Airlines CHS to ORD on-time performance
United Airlines nonstop flights from Charleston to Chicago · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.0%
15 flights
Avg arrival delay
18 min
74 min when late
Rank on route
#4 of 6
route average 78% on time
Key facts
- United Airlines flights on CHS to ORD arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 2% were cancelled, and 7% arrived an hour or more late.
- That ranks #4 of 6 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (50%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion50%
- Airline (crew, maintenance, cleaning, fueling)27%
- Late-arriving aircraft20%
- Extreme weather3%
- Security0%
Other airlines on CHS to ORD
- Envoy Air81% on time · 16 min avg delay
- Republic Airways72% on time · 17 min avg delay
- American Airlines84% on time · 20 min avg delay
- SkyWest Airlines69% on time · 40 min avg delay
- PSA Airlines100% on time · 0 min avg delay
Full CHS to ORD comparison →
United Airlines on-time record across all routes →
760 United Airlines flights tracked on this route; 15 cancelled, 6 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.