American Airlines SAN to ORD on-time performance
American Airlines nonstop flights from San Diego to Chicago · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
1.7%
23 flights
Avg arrival delay
21 min
93 min when late
Rank on route
#2 of 4
route average 78% on time
Key facts
- American Airlines flights on SAN to ORD arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 1.7% were cancelled, and 8% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 78% on time overall.
- The largest source of delay minutes was late-arriving aircraft (37%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft37%
- Airline (crew, maintenance, cleaning, fueling)35%
- Air traffic control & airport congestion15%
- Extreme weather12%
- Security0%
Other airlines on SAN to ORD
- United Airlines81% on time · 16 min avg delay
- Alaska Airlines72% on time · 19 min avg delay
- Frontier Airlines55% on time · 66 min avg delay
Full SAN to ORD comparison →
American Airlines on-time record across all routes →
1,389 American Airlines flights tracked on this route; 23 cancelled, 19 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.