Route · ORD → PDX · 2020–2025 BTS data
Chicago to Portland
The ORD–PDX corridor (Chicago, IL → Portland, OR) runs ahead of the national average, served by 15 carriers across roughly 1,739 miles.
Data updated 2026-06-13
- 80.3%
- On-time
- +1.3 pts
- vs US avg
- 68 min
- Delay when late
- 11,721
- Flights
Cancelled
1.1%
Best Month
Feb 2024 93%
Worst Month
Dec 2025 57%
Distance
1,739 mi
Carriers
15
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 164 | 71 | 1 | 0 | AS,AA,UA |
| Nov 2025 | 174 | 51 | 4 | 0 | UA,AA,AS |
| Oct 2025 | 262 | 85 | 1 | 0 | AA,AS,UA |
| Sep 2025 | 257 | 38 | 0 | 0 | UA,AA,AS |
| Aug 2025 | 295 | 75 | 2 | 0 | AA,UA,AS |
| Jul 2025 | 295 | 82 | 4 | 1 | AA,AS,UA |
| Jun 2025 | 290 | 71 | 1 | 0 | AA,AS,UA |
| May 2025 | 254 | 35 | 0 | 0 | AA,AS,UA |
| Apr 2025 | 203 | 31 | 0 | 0 | UA,AA,AS |
| Mar 2025 | 123 | 14 | 0 | 0 | AS,UA |
| Feb 2025 | 95 | 22 | 0 | 0 | AS,UA |
| Jan 2025 | 111 | 25 | 1 | 0 | AS,UA |
| Dec 2024 | 144 | 29 | 0 | 0 | AS,UA |
| Nov 2024 | 145 | 18 | 0 | 0 | UA,AS,AA |
| Oct 2024 | 198 | 25 | 0 | 0 | UA,AS,AA |
| Sep 2024 | 196 | 17 | 0 | 0 | NK,UA,AA,AS |
| Aug 2024 | 263 | 88 | 4 | 0 | AA,AS,NK,UA |
| Jul 2024 | 297 | 89 | 9 | 0 | AA,AS,NK,UA |
| Jun 2024 | 282 | 109 | 2 | 0 | AA,AS,NK,UA |
| May 2024 | 238 | 71 | 2 | 0 | AA,AS,NK,UA |
| Apr 2024 | 186 | 29 | 0 | 0 | AA,AS,UA |
| Mar 2024 | 118 | 17 | 0 | 0 | AS,UA |
| Feb 2024 | 85 | 6 | 0 | 0 | AS,UA |
| Jan 2024 | 107 | 18 | 22 | 0 | AS,UA |
Cancellation Rate
1.1%
53 of 4,782 flights
Diversion Rate
0.0%
1 of 4,782 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →PDX - Portland
Full on-time, delay-cause, and seasonal performance for Portland, OR.
Destination airport →Compare the two airports
See ORD and PDX side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–PDX.
Routes with a similar on-time rate
What the Data Says About ORD to PDX
11,721 tracked flights put the ORD to PDX pairing (Chicago to Portland) at a 80.3% on-time rate, squarely in line with the wider network. Delays that do occur run 67.8 minutes on average. Across the 1,739-mile route and its 15 carriers, the trailing 24 months show 1.1% cancelled and 0.0% diverted (4,782 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 93% on-time, while Dec 2025 came in at just 57% - a 36-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to PDX? ▼
What is the cancellation rate for ORD to PDX? ▼
How far is the flight from ORD to PDX? ▼
When is the best time to fly from ORD to PDX? ▼
Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.