United Airlines SDF to ORD on-time performance
United Airlines nonstop flights from Louisville to Chicago · Aug 2025 – Jul 2026
On-time arrivals
40%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
34 min
54 min when late
Rank on route
#5 of 5
route average 80% on time
Key facts
- United Airlines flights on SDF to ORD arrived on time 40% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 20% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (52%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft52%
- Air traffic control & airport congestion29%
- Airline (crew, maintenance, cleaning, fueling)19%
- Extreme weather0%
- Security0%
Other airlines on SDF to ORD
- Republic Airways83% on time · 12 min avg delay
- SkyWest Airlines70% on time · 27 min avg delay
- Envoy Air81% on time · 16 min avg delay
- American Airlines67% on time · 17 min avg delay
- PSA Airlines– on time · – avg delay
Full SDF to ORD comparison →
United Airlines on-time record across all routes →
5 United Airlines flights tracked on this route; 0 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.