United Airlines ORD to MDT on-time performance
United Airlines nonstop flights from Chicago to Harrisburg · Aug 2025 – Jul 2026
On-time arrivals
70%
arrived < 15 min late
Cancelled
2.8%
17 flights
Avg arrival delay
23 min
70 min when late
Rank on route
#3 of 5
route average 74% on time
Key facts
- United Airlines flights on ORD to MDT arrived on time 70% of the time in Aug 2025 – Jul 2026.
- 2.8% were cancelled, and 10% arrived an hour or more late.
- That ranks #3 of 5 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (50%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft50%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion17%
- Extreme weather10%
- Security0%
Other airlines on ORD to MDT
- Envoy Air78% on time · 15 min avg delay
- Republic Airways80% on time · 13 min avg delay
- SkyWest Airlines69% on time · 25 min avg delay
- American Airlines67% on time · 34 min avg delay
Full ORD to MDT comparison →
United Airlines on-time record across all routes →
602 United Airlines flights tracked on this route; 17 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.