United Airlines ORD to CHS on-time performance
United Airlines nonstop flights from Chicago to Charleston · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.7%
13 flights
Avg arrival delay
18 min
68 min when late
Rank on route
#4 of 6
route average 76% on time
Key facts
- United Airlines flights on ORD to CHS arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.7% were cancelled, and 9% arrived an hour or more late.
- That ranks #4 of 6 airlines on this route, which averaged 76% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion17%
- Extreme weather6%
- Security0%
Other airlines on ORD to CHS
- Envoy Air76% on time · 12 min avg delay
- Republic Airways81% on time · 12 min avg delay
- American Airlines74% on time · 20 min avg delay
- SkyWest Airlines67% on time · 24 min avg delay
- PSA Airlines100% on time · 0 min avg delay
Full ORD to CHS comparison →
United Airlines on-time record across all routes →
761 United Airlines flights tracked on this route; 13 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.