United Airlines ORD to RDU on-time performance
United Airlines nonstop flights from Chicago to Raleigh/Durham · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
1.1%
14 flights
Avg arrival delay
19 min
75 min when late
Rank on route
#3 of 7
route average 74% on time
Key facts
- United Airlines flights on ORD to RDU arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 1.1% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 7 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)23%
- Air traffic control & airport congestion20%
- Extreme weather10%
- Security0%
Other airlines on ORD to RDU
- Republic Airways75% on time · 18 min avg delay
- American Airlines60% on time · 42 min avg delay
- Envoy Air77% on time · 13 min avg delay
- SkyWest Airlines81% on time · 11 min avg delay
- Frontier Airlines65% on time · 51 min avg delay
- PSA Airlines50% on time · 43 min avg delay
Full ORD to RDU comparison →
United Airlines on-time record across all routes →
1,278 United Airlines flights tracked on this route; 14 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.