Pasco (PSC) to Portland (PDX) flights
SkyWest Airlines, Horizon Air fly nonstop from Tri Cities Airport to Portland International Airport, with about 14 flights a week in July 2026. The 174-mile flight takes about 57m gate to gate.
- Distance
- 174 mi · 280 km
- Flight time
- 57m
- Airlines
- 2
- Seats filled
- 85%
Airlines flying PSC to PDX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 7 | Embraer E175 | 3,551 | 59m |
| Horizon Air | 7 | Embraer E175 | 3,359 | 56m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PSC to PDX flight schedule
3 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 5:20am and the last at 3:59pm. 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 3484Alaska Airlines · operated by SkyWest Airlines | 5:20am | 6:12am | 12 | 100% |
| AS 3109Alaska Airlines · operated by SkyWest Airlines | 5:23am | 6:18am | 18 | 97% |
| AS 2471Alaska Airlines · operated by Horizon Air | 3:59pm | 4:50pm | 31 | 81% |
Is PSC to PDX on time?
From September 2025 to August 2026, 89% of 165 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 5am were the most punctual (98%), those around 3pm the least (80%). Most delay time was caused by late-arriving aircraft (67%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Alaska Airlines | 165 | 89% | 6 min | 1.2% |
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 |
|---|---|---|---|
| 5am to 6am | 82 | 98% | |
| 3pm to 4pm | 70 | 80% | |
| 4pm to 5pm | 13 | 85% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| December 2025 | 2 | 131 | |
| January 2026 | 1 | 0 | |
| March 2026 | 1 | 60 | |
| June 2026 | 42 | 2,855 | |
| July 2026 | 61 | 3,864 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.