United Airlines ORD to PIT on-time performance
United Airlines nonstop flights from Chicago to Pittsburgh · Aug 2025 – Jul 2026
On-time arrivals
75%
arrived < 15 min late
Cancelled
1.3%
17 flights
Avg arrival delay
18 min
67 min when late
Rank on route
#3 of 5
route average 75% on time
Key facts
- United Airlines flights on ORD to PIT arrived on time 75% of the time in Aug 2025 – Jul 2026.
- 1.3% were cancelled, and 9% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 75% on time overall.
- The largest source of delay minutes was late-arriving aircraft (40%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft40%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion19%
- Extreme weather10%
- Security0%
Other airlines on ORD to PIT
- Republic Airways81% on time · 16 min avg delay
- American Airlines55% on time · 46 min avg delay
- SkyWest Airlines69% on time · 22 min avg delay
- Envoy Air83% on time · 12 min avg delay
Full ORD to PIT comparison →
United Airlines on-time record across all routes →
1,294 United Airlines flights tracked on this route; 17 cancelled, 3 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.