United Airlines ORD to ROC on-time performance
United Airlines nonstop flights from Chicago to Rochester · Aug 2025 – Jul 2026
On-time arrivals
64%
arrived < 15 min late
Cancelled
1.5%
9 flights
Avg arrival delay
26 min
68 min when late
Rank on route
#3 of 4
route average 74% on time
Key facts
- United Airlines flights on ORD to ROC arrived on time 64% of the time in Aug 2025 – Jul 2026.
- 1.5% were cancelled, and 11% 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 (47%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft47%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion18%
- Extreme weather5%
- Security0%
Other airlines on ORD to ROC
- Envoy Air80% on time · 13 min avg delay
- Republic Airways80% on time · 14 min avg delay
- SkyWest Airlines63% on time · 29 min avg delay
Full ORD to ROC comparison →
United Airlines on-time record across all routes →
584 United Airlines flights tracked on this route; 9 cancelled, 0 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.