Chicago (ORD) to Portland (PDX)
Flight time
≈ 4h 16m
Bearing
290° W
Chicago (ORD) to Portland (PDX) is 1,735 miles (2,792 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies ORD–PDX
US DOT T-100 · filed dataIn April 2026, United Airlines operated the most departures, one of 3 carriers flying nonstop ORD–PDX; the Boeing 737-800 was the most common aircraft at 45% of departures; flights ran 81% full.
Departures
474
April 2026
Seats
82,754
both directions
Passengers
67,414
both directions
Load factor
81.5%
passengers ÷ seats
Who flies ORD–PDX?
United Airlines operated the most nonstop ORD–PDX departures in April 2026 (252), one of 3 carriers on the route.
- UA
United Airlines
252 departures · 42,947 seats
Share of departures53.2%83.9%
Load
- AA
American Airlines
162 departures · 29,178 seats
Share of departures34.2%76.6%
Load
- AS
Alaska Airlines
60 departures · 10,629 seats
Share of departures12.7%84.8%
Load
What plane flies ORD–PDX?
In April 2026, the Boeing 737-800 flew 45% of ORD–PDX departures — more than any other aircraft type.
- Boeing 737-800
213 departures · 83.2% load
44.9% - Boeing 737-900ER
91 departures · 83.5% load
19.2% - Airbus A321
68 departures · 72.6% load
14.3% - Boeing 737 MAX 9
57 departures · 80.5% load
12.0% - Boeing 737 MAX 8
34 departures · 86.6% load
7.2% - Airbus A321neo
7 departures · 76.4% load
1.5% - Airbus A319
3 departures · 93.4% load
0.6% - Airbus A320
1 departures · 90.0% load
0.2%
How has ORD–PDX traffic changed?
Nonstop ORD–PDX departures fell from 508 in May 2025 to 474 in April 2026.
Monthly nonstop ORD–PDX traffic, trailing 12 months through April 2026. Bars scale to the busiest month; months with no filed service show as zero.
May 2025
508 departures · 78,190 passengers
88.5%
Load
June 2025
577 departures · 90,420 passengers
88.4%
Load
July 2025
579 departures · 95,849 passengers
91.0%
Load
August 2025
579 departures · 95,160 passengers
91.4%
Load
September 2025
510 departures · 80,064 passengers
87.5%
Load
October 2025
524 departures · 82,287 passengers
88.2%
Load
November 2025
341 departures · 50,453 passengers
85.5%
Load
December 2025
327 departures · 51,048 passengers
90.1%
Load
January 2026
276 departures · 38,474 passengers
81.5%
Load
February 2026
295 departures · 41,112 passengers
81.3%
Load
March 2026
354 departures · 52,794 passengers
86.1%
Load
April 2026
474 departures · 67,414 passengers
81.5%
Load
By direction
The DOT files each direction separately — they rarely match.
ORD → PDX
78.4% full
239 departures · 32,928 passengers
PDX → ORD
84.6% full
235 departures · 34,486 passengers
Nonstop ORD–PDX traffic has been filed with the US DOT since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through April 2026; filings from 2025. Public domain (US Government work). The DOT publishes roughly three months in arrears.
The airports
Frequently asked
How far is Chicago (ORD) from Portland (PDX)?
ORD to PDX is 1,735 miles (2,792 km / 1,507 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from ORD to PDX?
A nonstop covers the 1,735-mile great-circle distance in roughly 4h 16m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies ORD–PDX?
In April 2026, the Boeing 737-800 flew the largest share of departures (44.9%), followed by the Boeing 737-900ER (19.2%).
What mileage do I earn flying ORD–PDX?
Distance-based programs credit off the 1,735-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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