Chicago O'Hare International ⇄ Portland International Jetport ORD–PWM
Airlines flew 2,899 flights between Chicago O'Hare International ORD in Chicago, IL and Portland International Jetport PWM in Portland, ME in the twelve months to July 2026, both directions together: 242,029 passengers in 289,385 seats, 84% of them filled, and 1,052 pounds of freight. 900 miles, about 111 minutes in the air, on 4 airlines: Republic Airline (1,102), United Air Lines Inc. (844), SkyWest Airlines Inc. (575), Envoy Air (378). Planning to fly it yourself? The weather and winds along this route right now.
Flights by month both directions
By month, as a table
| flights | |
|---|---|
| 1/25 | 75 |
| 2/25 | 54 |
| 3/25 | 115 |
| 4/25 | 157 |
| 5/25 | 228 |
| 6/25 | 250 |
| 7/25 | 289 |
| 8/25 | 347 |
| 9/25 | 326 |
| 10/25 | 332 |
| 11/25 | 168 |
| 12/25 | 122 |
| 1/26 | 69 |
| 2/26 | 115 |
| 3/26 | 222 |
| 4/26 | 282 |
| 5/26 | 330 |
| 6/26 | 286 |
| 7/26 | 300 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 5,126 |
| 2/25 | 3,662 |
| 3/25 | 7,695 |
| 4/25 | 13,480 |
| 5/25 | 20,207 |
| 6/25 | 23,650 |
| 7/25 | 28,592 |
| 8/25 | 31,524 |
| 9/25 | 29,076 |
| 10/25 | 29,892 |
| 11/25 | 12,476 |
| 12/25 | 8,408 |
| 1/26 | 4,415 |
| 2/26 | 7,618 |
| 3/26 | 14,602 |
| 4/26 | 20,475 |
| 5/26 | 26,346 |
| 6/26 | 26,720 |
| 7/26 | 30,477 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Republic Airline YX | 1,102 | 72,583 | 87% | scheduled passenger service |
| United Air Lines Inc. UA | 844 | 112,355 | 82% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 575 | 32,887 | 81% | scheduled passenger service |
| Envoy Air MQ | 378 | 24,204 | 84% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,849 | 75 | 117,831 |
| Boeing B737 Max 800 | 331 | 166 | 44,618 |
| Boeing 737-800 | 209 | 166 | 28,283 |
| Canadair RJ-700 | 197 | 65 | 11,292 |
| Boeing 737-700/700LR/Max 7 | 105 | 126 | 11,735 |
| Boeing 737-900ER | 103 | 179 | 15,324 |
| Boeing B737 Max 900 | 47 | 179 | 7,168 |
| Airbus Industrie A319 | 29 | 126 | 2,918 |
| Airbus Industrie A320-100/200 | 20 | 150 | 2,309 |
| Embraer-Emb-170 | 9 | 68 | 551 |
ORD → PWM this direction alone · flown January 2025 to July 2026
1,460 flights of 1,489 scheduled, 122,757 passengers in 145,301 seats, 1,051 pounds of freight. Republic Airline 554; United Air Lines Inc. 425; SkyWest Airlines Inc. 291; Envoy Air 190.
PWM → ORD this direction alone · flown January 2025 to July 2026
1,439 flights of 1,479 scheduled, 119,272 passengers in 144,084 seats, 1 pounds of freight. Republic Airline 548; United Air Lines Inc. 419; SkyWest Airlines Inc. 284; Envoy Air 188.
Source: the Bureau of Transportation Statistics' T-100 Segment table (all carriers). A flight is one departure performed on this segment; seats and passengers are the airlines' own monthly reports; "seats filled" is passengers divided by seats. The miles are the DOT's great-circle distance. Both ends: Chicago O'Hare International ORD and Portland International Jetport PWM; all routes.