United Airlines ORD to EYW on-time performance
United Airlines nonstop flights from Chicago to Key West · Aug 2025 – Jul 2026
On-time arrivals
77%
arrived < 15 min late
Cancelled
0.7%
1 flights
Avg arrival delay
19 min
75 min when late
Rank on route
#3 of 3
route average 81% on time
Key facts
- United Airlines flights on ORD to EYW arrived on time 77% of the time in Aug 2025 – Jul 2026.
- 0.7% were cancelled, and 10% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 81% on time overall.
- The largest source of delay minutes was air traffic control & airport congestion (43%).
On-time trend by month
Why this airline's flights were late
- Air traffic control & airport congestion43%
- Late-arriving aircraft35%
- Airline (crew, maintenance, cleaning, fueling)16%
- Extreme weather6%
- Security0%
Other airlines on ORD to EYW
- Envoy Air82% on time · 12 min avg delay
- Republic Airways80% on time · 11 min avg delay
Full ORD to EYW comparison →
United Airlines on-time record across all routes →
138 United Airlines flights tracked on this route; 1 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.