United Airlines PIT to ORD on-time performance
United Airlines nonstop flights from Pittsburgh to Chicago · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
2.1%
27 flights
Avg arrival delay
23 min
98 min when late
Rank on route
#2 of 5
route average 79% on time
Key facts
- United Airlines flights on PIT to ORD arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 2.1% were cancelled, and 9% arrived an hour or more late.
- That ranks #2 of 5 airlines on this route, which averaged 79% 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%
- Late-arriving aircraft29%
- Airline (crew, maintenance, cleaning, fueling)18%
- Extreme weather3%
- Security0%
Other airlines on PIT to ORD
- Republic Airways84% on time · 12 min avg delay
- American Airlines69% on time · 38 min avg delay
- SkyWest Airlines69% on time · 36 min avg delay
- Envoy Air78% on time · 24 min avg delay
Full PIT to ORD comparison →
United Airlines on-time record across all routes →
1,293 United Airlines flights tracked on this route; 27 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.