Portland International ⇄ Tri-Cities PDX–PSC
Airlines flew 212 flights between Portland International PDX in Portland, OR and Tri-Cities PSC in Pasco, WA in the twelve months to July 2026, both directions together: 13,366 passengers in 16,112 seats, 83% of them filled, and 255 pounds of freight. 174 miles, about 35 minutes in the air, on 2 airlines: SkyWest Airlines Inc. (106), Horizon Air (106). 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 | |
|---|---|
| 2/25 | 1 |
| 5/25 | 2 |
| 12/25 | 2 |
| 1/26 | 1 |
| 3/26 | 3 |
| 6/26 | 84 |
| 7/26 | 122 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 2/25 | 0 |
| 5/25 | 95 |
| 12/25 | 131 |
| 1/26 | 0 |
| 3/26 | 60 |
| 6/26 | 5,521 |
| 7/26 | 7,654 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| SkyWest Airlines Inc. OO | 106 | 6,733 | 84% | scheduled passenger service |
| Horizon Air QX | 106 | 6,633 | 82% | scheduled passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Embraer ERJ-175 | 212 | 76 | 13,366 |
PDX → PSC this direction alone · flown May 2025 to July 2026
105 flights of 105 scheduled, 6,456 passengers in 7,980 seats, 255 pounds of freight. SkyWest Airlines Inc. 53; Horizon Air 52.
PSC → PDX this direction alone · flown February 2025 to July 2026
107 flights of 105 scheduled, 6,910 passengers in 8,132 seats. Horizon Air 54; SkyWest Airlines Inc. 53.
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 Tri-Cities PSC; all routes.