Boeing Fld/King County International ⇄ Portland International BFI–PDX
Airlines flew 3,113 flights between Boeing Fld/King County International BFI in Seattle, WA and Portland International PDX in Portland, OR in the twelve months to July 2026, both directions together: 5,642 passengers in 26,872 seats, 21% of them filled, and 6,403,086 pounds of freight. 135 miles, about 42 minutes in the air, on 7 airlines: Air Excursions LLC (2,739), United Parcel Service (356), Delta Air Lines Inc. (9), Sun Country Airlines d/b/a MN Airlines (3) and 3 more. 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 | 19 |
| 2/25 | 21 |
| 3/25 | 25 |
| 4/25 | 21 |
| 5/25 | 113 |
| 6/25 | 280 |
| 7/25 | 337 |
| 8/25 | 340 |
| 9/25 | 368 |
| 10/25 | 386 |
| 11/25 | 332 |
| 12/25 | 296 |
| 1/26 | 319 |
| 2/26 | 273 |
| 3/26 | 38 |
| 4/26 | 36 |
| 5/26 | 234 |
| 6/26 | 248 |
| 7/26 | 243 |
Passengers by month
By month, as a table
| passengers | |
|---|---|
| 1/25 | 0 |
| 2/25 | 0 |
| 3/25 | 0 |
| 4/25 | 0 |
| 5/25 | 77 |
| 6/25 | 621 |
| 7/25 | 415 |
| 8/25 | 466 |
| 9/25 | 589 |
| 10/25 | 588 |
| 11/25 | 543 |
| 12/25 | 557 |
| 1/26 | 541 |
| 2/26 | 454 |
| 3/26 | 0 |
| 4/26 | 0 |
| 5/26 | 605 |
| 6/26 | 631 |
| 7/26 | 668 |
The airlines twelve months, both directions
| Airline | Flights | Passengers | Seats filled | Service |
|---|---|---|---|---|
| Air Excursions LLC X4 | 2,739 | 5,600 | 22% | charter passenger service, scheduled passenger service |
| United Parcel Service 5X | 356 | 0 | scheduled cargo service | |
| Delta Air Lines Inc. DL | 9 | 0 | 0% | charter passenger service |
| Sun Country Airlines d/b/a MN Airlines SY | 3 | 41 | 7% | charter passenger service |
| Alaska Airlines Inc. AS | 3 | 0 | 0% | charter passenger service |
| Kenmore Air Harbor M5 | 2 | 1 | 8% | charter passenger service |
| Global Crossing Airlines, Inc. GCA | 1 | 0 | 0% | charter passenger service |
The aircraft as the airlines report their types
| Aircraft | Flights | Seats a flight | Passengers |
|---|---|---|---|
| Pilatus PC-12 | 2,741 | 9 | 5,601 |
| Boeing 767-300/300ER | 289 | 0 | 0 |
| Boeing 757-200 | 75 | 9 | 0 |
| Boeing 737-800 | 3 | 186 | 41 |
| Boeing B737 Max 900 | 3 | 178 | 0 |
| Airbus Industrie A300-600/R/CF/RCF | 1 | 0 | 0 |
| Airbus Industrie A320-100/200 | 1 | 150 | 0 |
BFI → PDX this direction alone · flown January 2025 to July 2026
1,396 flights of 1,398 scheduled, 2,832 passengers in 13,475 seats, 218,835 pounds of freight, 45,912 pounds of mail. Air Excursions LLC 1,372; United Parcel Service 14; Delta Air Lines Inc. 6; Sun Country Airlines d/b/a MN Airlines 2; Alaska Airlines Inc. 1; Kenmore Air Harbor 1.
PDX → BFI this direction alone · flown January 2025 to July 2026
1,717 flights of 1,725 scheduled, 2,810 passengers in 13,397 seats, 6,184,251 pounds of freight, 4,937,158 pounds of mail. Air Excursions LLC 1,367; United Parcel Service 342; Delta Air Lines Inc. 3; Alaska Airlines Inc. 2; Global Crossing Airlines, Inc. 1; Kenmore Air Harbor 1; Sun Country Airlines d/b/a MN Airlines 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: Boeing Fld/King County International BFI and Portland International PDX; all routes.