Chicago (ORD) to Portland (PDX) flights
United Airlines, American Airlines, Alaska Airlines fly nonstop from Chicago O'Hare International Airport to Portland International Airport, with about 76 flights a week in July 2026. The 1,739-mile flight takes about 4h 28m gate to gate.
- Distance
- 1,739 mi · 2,799 km
- Flight time
- 4h 28m
- Airlines
- 3
- Seats filled
- 84%
Airlines flying ORD to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 34 | Boeing 737-800, Boeing 737-900ER, Airbus A321 | 211,942 | 4h 30m |
| American Airlines | 28 | Boeing 737-800, Airbus A321, Boeing 737 MAX 8 | 129,306 | 4h 24m |
| Alaska Airlines | 14 | Boeing 737-900ER, Boeing 737 MAX 9, Boeing 737-800 | 75,943 | 4h 30m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to PDX flight schedule
16 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 7:00am and the last at 10:15pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 2300United Airlines | 7:00am | 9:29am | 31 | 85% |
| AS 413Alaska Airlines | 7:20am | 9:45am | 18 | 74% |
| AA 2284American Airlines | 8:00am | 10:36am | 4 | 79% |
| UA 751United Airlines | 8:50am | 11:28am | 21 | 91% |
| AA 1713American Airlines | 9:00am | 11:34am | 27 | 78% |
| UA 1994United Airlines | 9:00am | 11:38am | 10 | 84% |
| AA 2545American Airlines | 12:10pm | 2:40pm | 4 | 66% |
| UA 1554United Airlines | 1:30pm | 3:56pm | 21 | 76% |
| UA 2817United Airlines | 1:30pm | 3:57pm | 10 | 72% |
| AS 325Alaska Airlines | 2:12pm | 4:47pm | 31 | 69% |
| AA 1818American Airlines | 3:25pm | 6:00pm | 27 | 50% |
| UA 1677United Airlines | 4:20pm | 6:53pm | 31 | 58% |
| UA 2738United Airlines | 7:55pm | 10:30pm | 10 | 63% |
| UA 2243United Airlines | 8:12pm | 10:52pm | 21 | 50% |
| AA 2977American Airlines | 9:30pm | 11:59pm | 31 | 46% |
| AA 1317American Airlines | 10:15pm | 12:50am | 4 | 54% |
Is ORD to PDX on time?
From September 2025 to August 2026, 68% of 2,811 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 9am were the most punctual (82%), those around 9pm the least (43%). Most delay time was caused by late-arriving aircraft (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,414 | 72% | 19 min | 0.6% |
| American Airlines | 899 | 59% | 32 min | 1.1% |
| Alaska Airlines | 498 | 71% | 19 min | 1.2% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 288 | 77% | |
| 8am to 9am | 178 | 79% | |
| 9am to 10am | 374 | 82% | |
| 12pm to 1pm | 185 | 69% | |
| 1pm to 2pm | 159 | 71% | |
| 2pm to 3pm | 352 | 69% | |
| 4pm to 5pm | 364 | 63% | |
| 7pm to 8pm | 278 | 60% | |
| 8pm to 9pm | 170 | 62% | |
| 9pm to 10pm | 223 | 43% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 293 | 46,626 | |
| September 2025 | 257 | 39,255 | |
| October 2025 | 261 | 40,136 | |
| November 2025 | 170 | 25,268 | |
| December 2025 | 165 | 25,866 | |
| January 2026 | 138 | 18,720 | |
| February 2026 | 147 | 20,298 | |
| March 2026 | 177 | 26,097 | |
| April 2026 | 239 | 32,928 | |
| May 2026 | 283 | 41,790 | |
| June 2026 | 318 | 48,017 | |
| July 2026 | 336 | 52,190 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.