Alaska Airlines ORD to SAN on-time performance
Alaska Airlines nonstop flights from Chicago to San Diego · Aug 2025 – Jul 2026
On-time arrivals
69%
arrived < 15 min late
Cancelled
2.3%
18 flights
Avg arrival delay
24 min
72 min when late
Rank on route
#2 of 4
route average 72% on time
Key facts
- Alaska Airlines flights on ORD to SAN arrived on time 69% of the time in Aug 2025 – Jul 2026.
- 2.3% were cancelled, and 11% arrived an hour or more late.
- That ranks #2 of 4 airlines on this route, which averaged 72% on time overall.
- The largest source of delay minutes was late-arriving aircraft (46%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft46%
- Air traffic control & airport congestion26%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather9%
- Security0%
Other airlines on ORD to SAN
- United Airlines78% on time · 16 min avg delay
- American Airlines66% on time · 23 min avg delay
- Frontier Airlines68% on time · 40 min avg delay
Full ORD to SAN comparison →
Alaska Airlines on-time record across all routes →
777 Alaska Airlines flights tracked on this route; 18 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.