American Airlines ORD to BOI on-time performance
American Airlines nonstop flights from Chicago to Boise · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
15 min
63 min when late
Rank on route
#2 of 4
route average 70% on time
Key facts
- American Airlines flights on ORD to BOI arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 70% 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%
- Airline (crew, maintenance, cleaning, fueling)34%
- Air traffic control & airport congestion13%
- Extreme weather1%
- Security0%
Other airlines on ORD to BOI
- SkyWest Airlines64% on time · 31 min avg delay
- United Airlines79% on time · 14 min avg delay
- Envoy Air63% on time · 20 min avg delay
Full ORD to BOI comparison →
American Airlines on-time record across all routes →
203 American 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.