American Airlines ORD to LAS on-time performance
American Airlines nonstop flights from Chicago to Las Vegas · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
2.3%
43 flights
Avg arrival delay
25 min
71 min when late
Rank on route
#4 of 5
route average 74% on time
Key facts
- American Airlines flights on ORD to LAS arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 2.3% were cancelled, and 12% arrived an hour or more late.
- That ranks #4 of 5 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (49%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft49%
- Airline (crew, maintenance, cleaning, fueling)28%
- Air traffic control & airport congestion16%
- Extreme weather7%
- Security0%
Other airlines on ORD to LAS
- United Airlines80% on time · 14 min avg delay
- Southwest Airlines73% on time · 20 min avg delay
- Frontier Airlines59% on time · 64 min avg delay
- Spirit Airlines83% on time · 13 min avg delay
Full ORD to LAS comparison →
American Airlines on-time record across all routes →
1,893 American Airlines flights tracked on this route; 43 cancelled, 9 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.