Chicago (ORD) to Portland (PWM) flights
Republic Airline, United Airlines fly nonstop from Chicago O'Hare International Airport to Portland International Jetport, with about 34 flights a week in July 2026. The 900-mile flight takes about 2h 27m gate to gate.
- Distance
- 900 mi · 1,448 km
- Flight time
- 2h 27m
- Airlines
- 2
- Seats filled
- 84%
Airlines flying ORD to PWM
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 20 | Embraer E175, Embraer E170 | 36,356 | 2h 28m |
| United Airlines | 14 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737-700 / MAX 7 | 56,358 | 2h 25m |
| Envoy AirSeasonal or ended | n/a | Embraer E175, Embraer E170 | 12,333 | 2h 19m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ700 | 17,710 | 2h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to PWM flight schedule
10 flight numbers flew this route in August 2026, 6 of them almost daily. The first usually leaves at 8:05am and the last at 9:09pm. 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 4741American Airlines · operated by Republic Airline | 8:05am | 11:38am | 27 | 92% |
| AA 4488American Airlines · operated by Republic Airline | 8:08am | 11:45am | 4 | 87% |
| UA 2804United Airlines | 11:00am | 2:34pm | 31 | 80% |
| AA 1291American Airlines | 11:58am | 3:27pm | 4 | n/a |
| AA 4729American Airlines · operated by Republic Airline | 1:59pm | 5:32pm | 23 | 57% |
| UA 3516United Airlines · operated by Republic Airline | 2:00pm | 5:42pm | 21 | 80% |
| AA 4774American Airlines · operated by Republic Airline | 3:18pm | 6:52pm | 4 | 86% |
| UA 1401United Airlines | 5:50pm | 9:23pm | 31 | 60% |
| AA 4504American Airlines · operated by Republic Airline | 7:13pm | 10:48pm | 27 | 50% |
| AA 4403American Airlines · operated by Republic Airline | 9:09pm | 12:43am | 4 | 63% |
Is ORD to PWM on time?
From September 2025 to August 2026, 74% of 1,493 flights arrived within 15 minutes of schedule and 2.6% were cancelled. Flights leaving around 8am were the most punctual (88%), those around 5pm the least (56%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 812 | 73% | 19 min | 2.1% |
| American Airlines | 681 | 76% | 19 min | 3.2% |
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 | 54 | 94% | |
| 8am to 9am | 129 | 88% | |
| 10am to 11am | 162 | 81% | |
| 11am to 12pm | 253 | 75% | |
| 1pm to 2pm | 214 | 76% | |
| 2pm to 3pm | 40 | 85% | |
| 3pm to 4pm | 76 | 86% | |
| 5pm to 6pm | 120 | 56% | |
| 6pm to 7pm | 205 | 67% | |
| 7pm to 8pm | 109 | 62% | |
| 8pm to 9pm | 95 | 72% | |
| 9pm to 10pm | 32 | 55% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 175 | 15,781 | |
| September 2025 | 165 | 14,983 | |
| October 2025 | 166 | 14,590 | |
| November 2025 | 85 | 6,315 | |
| December 2025 | 61 | 4,078 | |
| January 2026 | 35 | 2,123 | |
| February 2026 | 58 | 3,866 | |
| March 2026 | 112 | 7,533 | |
| April 2026 | 143 | 10,398 | |
| May 2026 | 165 | 13,913 | |
| June 2026 | 144 | 13,836 | |
| July 2026 | 151 | 15,341 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.