Missoula (MSO) to Portland (PDX) flights
SkyWest Airlines, Horizon Air fly nonstop from Missoula Montana Airport to Portland International Airport, with about 10 flights a week in July 2026. The 418-mile flight takes about 1h 30m gate to gate.
- Distance
- 418 mi · 673 km
- Flight time
- 1h 30m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying MSO to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 7 | Embraer E175 | 5,647 | 1h 30m |
| Horizon Air | 3 | Embraer E175 | 26,781 | 1h 30m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MSO to PDX flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 1:04pm and the last at 5:41pm. 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) |
|---|---|---|---|---|
| AS 2042Alaska Airlines · operated by Horizon Air | 1:04pm | 1:35pm | 13 | 82% |
| AS 3098Alaska Airlines · operated by SkyWest Airlines | 5:41pm | 6:16pm | 18 | 83% |
Is MSO to PDX on time?
From September 2025 to August 2026, 89% of 486 flights arrived within 15 minutes of schedule and 1.4% were cancelled. Flights leaving around 5am were the most punctual (94%), those around 5pm the least (83%). Most delay time was caused by late-arriving aircraft (61%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 486 | 89% | 7 min | 1.4% |
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 | 94 | 94% | |
| 8am to 9am | 19 | 100% | |
| 12pm to 1pm | 88 | 86% | |
| 1pm to 2pm | 215 | 88% | |
| 5pm to 6pm | 70 | 83% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 3,764 | |
| September 2025 | 48 | 2,922 | |
| October 2025 | 56 | 3,553 | |
| November 2025 | 58 | 3,236 | |
| December 2025 | 56 | 3,423 | |
| January 2026 | 36 | 2,451 | |
| February 2026 | 28 | 1,816 | |
| March 2026 | 32 | 2,119 | |
| April 2026 | 30 | 1,993 | |
| May 2026 | 30 | 2,047 | |
| June 2026 | 30 | 1,908 | |
| July 2026 | 46 | 3,196 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.