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.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| ORD → PWM Chicago to Portland |
35/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.
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 35 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
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.
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.