Portland International ⇄ Missoula Montana PDX–MSO
Airlines flew 1,029 flights between Portland International PDX in Portland, OR and Missoula Montana MSO in Missoula, MT in the twelve months to July 2026, both directions together: 64,453 passengers in 78,412 seats, 82% of them filled, and 12,584 pounds of freight. 418 miles, about 63 minutes in the air, on 3 airlines: Horizon Air (832), SkyWest Airlines Inc. (195), Allegiant Air (2). 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 | 41 |
| 2/25 | 32 |
| 3/25 | 46 |
| 4/25 | 60 |
| 5/25 | 95 |
| 6/25 | 120 |
| 7/25 | 122 |
| 8/25 | 124 |
| 9/25 | 96 |
| 10/25 | 112 |
| 11/25 | 120 |
| 12/25 | 112 |
| 1/26 | 72 |
| 2/26 | 56 |
| 3/26 | 64 |
| 4/26 | 60 |
| 5/26 | 61 |
| 6/26 | 60 |
| 7/26 | 92 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 2,458 |
| 2/25 | 2,100 |
| 3/25 | 2,840 |
| 4/25 | 3,848 |
| 5/25 | 5,498 |
| 6/25 | 6,695 |
| 7/25 | 7,233 |
| 8/25 | 7,408 |
| 9/25 | 5,764 |
| 10/25 | 6,963 |
| 11/25 | 6,777 |
| 12/25 | 7,053 |
| 1/26 | 4,531 |
| 2/26 | 3,563 |
| 3/26 | 4,163 |
| 4/26 | 3,984 |
| 5/26 | 4,067 |
| 6/26 | 3,939 |
| 7/26 | 6,241 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Horizon Air QX | 832 | 51,539 | 82% | scheduled passenger service |
| SkyWest Airlines Inc. OO | 195 | 12,628 | 85% | scheduled passenger service |
| Allegiant Air G4 | 2 | 286 | 79% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 1,027 | 76 | 64,167 |
| Airbus Industrie A320-100/200 | 2 | 180 | 286 |
PDX → MSO this direction alone · flown January 2025 to July 2026
516 flights of 518 scheduled, 31,882 passengers in 39,320 seats, 10,860 pounds of freight. Horizon Air 407; SkyWest Airlines Inc. 108; Allegiant Air 1.
MSO → PDX this direction alone · flown January 2025 to July 2026
513 flights of 520 scheduled, 32,571 passengers in 39,092 seats, 1,724 pounds of freight. Horizon Air 425; SkyWest Airlines Inc. 87; Allegiant Air 1.
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: Portland International PDX and Missoula Montana MSO; all routes.