Alaska Airlines ORD to PDX on-time performance
Alaska Airlines nonstop flights from Chicago to Portland · Aug 2025 – Jul 2026
On-time arrivals
72%
arrived < 15 min late
Cancelled
1.2%
6 flights
Avg arrival delay
17 min
57 min when late
Rank on route
#2 of 3
route average 69% on time
Key facts
- Alaska Airlines flights on ORD to PDX arrived on time 72% of the time in Aug 2025 – Jul 2026.
- 1.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #2 of 3 airlines on this route, which averaged 69% on time overall.
- The largest source of delay minutes was late-arriving aircraft (59%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft59%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)17%
- Extreme weather2%
- Security0%
Other airlines on ORD to PDX
- United Airlines73% on time · 18 min avg delay
- American Airlines61% on time · 30 min avg delay
Full ORD to PDX comparison →
Alaska Airlines on-time record across all routes →
506 Alaska Airlines flights tracked on this route; 6 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.