Portland (PWM) to Chicago (ORD) flights
Republic Airline, United Airlines fly nonstop from Portland International Jetport to Chicago O'Hare International Airport, with about 34 flights a week in July 2026. The 900-mile flight takes about 3h 2m gate to gate.
- Distance
- 900 mi · 1,448 km
- Flight time
- 3h 2m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying PWM to ORD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 19 | Embraer E175, Embraer E170 | 36,227 | 2h 59m |
| United Airlines | 14 | Boeing 737 MAX 8, Boeing 737-900ER, Boeing 737-700 / MAX 7 | 55,997 | 3h 0m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 11,871 | 3h 2m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ700 | 15,177 | 3h 9m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PWM to ORD flight schedule
11 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 6:00am and the last at 7:51pm. 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) |
|---|---|---|---|---|
| AA 4391American Airlines · operated by Republic Airline | 6:00am | 8:11am | 4 | 85% |
| UA 723United Airlines | 6:03am | 8:00am | 29 | 98% |
| UA 3534United Airlines · operated by Republic Airline | 7:40am | 9:43am | 20 | 75% |
| AA 4499American Airlines · operated by Republic Airline | 9:08am | 11:07am | 27 | 89% |
| AA 4741American Airlines · operated by Republic Airline | 12:09pm | 2:09pm | 27 | 87% |
| AA 4488American Airlines · operated by Republic Airline | 12:16pm | 2:22pm | 4 | 78% |
| AA 1291American Airlines | 4:07pm | 6:14pm | 4 | n/a |
| UA 1182United Airlines | 5:00pm | 7:00pm | 10 | 45% |
| UA 1828United Airlines | 5:03pm | 7:00pm | 21 | 67% |
| AA 4729American Airlines · operated by Republic Airline | 6:09pm | 8:30pm | 23 | 65% |
| AA 4774American Airlines · operated by Republic Airline | 7:51pm | 9:57pm | 4 | 80% |
Is PWM to ORD on time?
From September 2025 to August 2026, 78% of 1,493 flights arrived within 15 minutes of schedule and 3.4% were cancelled. Flights leaving around 6am were the most punctual (91%), those around 5pm the least (59%). Most delay time was caused by air traffic control and airport congestion (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 812 | 77% | 21 min | 2.7% |
| American Airlines | 681 | 79% | 20 min | 4.3% |
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 |
|---|---|---|---|
| 5am to 6am | 44 | 82% | |
| 6am to 7am | 371 | 91% | |
| 7am to 8am | 65 | 83% | |
| 9am to 10am | 106 | 88% | |
| 11am to 12pm | 50 | 90% | |
| 12pm to 1pm | 133 | 84% | |
| 3pm to 4pm | 46 | 54% | |
| 4pm to 5pm | 255 | 67% | |
| 5pm to 6pm | 192 | 59% | |
| 6pm to 7pm | 152 | 74% | |
| 7pm to 8pm | 76 | 80% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 172 | 15,743 | |
| September 2025 | 161 | 14,093 | |
| October 2025 | 166 | 15,302 | |
| November 2025 | 83 | 6,161 | |
| December 2025 | 61 | 4,330 | |
| January 2026 | 34 | 2,292 | |
| February 2026 | 57 | 3,752 | |
| March 2026 | 110 | 7,069 | |
| April 2026 | 139 | 10,077 | |
| May 2026 | 165 | 12,433 | |
| June 2026 | 142 | 12,884 | |
| July 2026 | 149 | 15,136 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.