Great-circle route ORD ↔ PWM. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample. The two directions are not identical — that is normal on scheduled routes.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| ORD → PWM Chicago to Portland |
35/wk | Daily | American Airlines, United Airlines |
| PWM → ORD Portland to Chicago |
31/wk | Daily | American Airlines, United Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 213,788 passengers on 2,463 flights between ORD and PWM — about 586 a day — filling 88% of the 242,046 seats flown. United Air Lines Inc. carried the most passengers (48%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
2 airlines fly the ORD–PWM nonstop, including American Airlines, United Airlines.
Recent scheduled departures on this route have used the Embraer 175, Boeing 737, Airbus A319, Boeing 737-900 and 1 other types.
Aircraft assignments change by season and by time of day.
The distance between Chicago O'Hare International Airport and Portland International Jetport Airport is 898 miles, or 1,445 kilometres.
| Great-circle distance | 898 mi |
| Kilometres | 1,445 km |
| Nautical miles | 780 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 2 airlines fly the route nonstop, with about 66 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-29.
About 2h 22m in the air. That is a great-circle estimate from the 898-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 35 a week from Chicago to Portland and 31 a week from Portland to Chicago, from our most recent schedule sample.
American Airlines, United Airlines.
In 2025, airlines reported 213,788 passengers on 2,463 scheduled flights between ORD and PWM — about 586 a day — filling 88% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Embraer 175, Boeing 737, Airbus A319, Boeing 737-900. Assignments change by season and by time of day.
