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Airports · King County International Airport - Boeing Field

Flights from Seattle (BFI)

Airlines flew 4,582 departures out of King County International Airport - Boeing Field (BFI) carrying 28,784 passengers over the 12 months through April 2026. Here's what actually flew — the busiest routes, the carriers, and the aircraft — from US DOT T-100 filings.

What flies from Seattle

US DOT T-100 · filed data

What airlines actually flew out of Seattle — departures, seats, and passengers filed with the US DOT (T-100) over the trailing 12 months, not a schedule.

Departures

4,582

April 2026

Seats flown

74,645

Passengers

28,784

Load factor

38.6%

passengers ÷ seats

Busiest routes from Seattle

Where flights from Seattle go most, by departures over the trailing 12 months.

  • BFIFRD

    1,514 departures · 8,069 passengers

    64.5%

    Load

  • BFIPDX

    1,394 departures · 2,434 passengers

    17.8%

    Load

  • BFIESD

    994 departures · 5,488 passengers

    67.3%

    Load

  • BFIPAE

    175 departures · 14 passengers

    1.1%

    Load

  • BFIBFI

    58 departures · 313 passengers

    37.6%

    Load

  • BFISEA

    24 departures · 66 passengers

    1.7%

    Load

  • BFIYVR

    21 departures · 799 passengers

    55.4%

    Load

  • BFIYYJ

    18 departures · 53 passengers

    46.5%

    Load

  • BFIAZA

    17 departures · 1,068 passengers

    37.7%

    Load

  • BFILAX

    15 departures · 666 passengers

    32.3%

    Load

  • BFIEUG

    14 departures · 434 passengers

    24.4%

    Load

  • BFIMSP

    13 departures · 424 passengers

    27.2%

    Load

  • BFILPS

    12 departures · 26 passengers

    30.2%

    Load

  • BFIYYC

    12 departures · 420 passengers

    48.9%

    Load

  • BFIYBL

    11 departures · 29 passengers

    43.9%

    Load

Airlines at Seattle

Ranked by seats flown — the capacity each carrier actually operated out of Seattle.

Aircraft flown from Seattle

Aircraft types by share of departures — what actually operated, not what's based here.

  • Cessna 208 Caravan

    2,580 departures · 64.0% load

    56.3%

    Share

  • Pilatus PC-12

    1,670 departures · 19.3% load

    36.4%

    Share

  • Boeing 737-800

    66 departures · 25.1% load

    1.4%

    Share

  • Boeing 757-200

    63 departures · 45.3% load

    1.4%

    Share

  • Airbus A320

    52 departures · 45.5% load

    1.1%

    Share

  • Boeing 737 MAX 9

    24 departures · 34.1% load

    0.5%

    Share

  • Dassault FALCON-7X

    17 departures · 18.5% load

    0.4%

    Share

  • Cessna Citationjet

    10 departures · 41.2% load

    0.2%

    Share

  • Boeing 767-300

    8 departures · 0.0% load

    0.2%

    Share

  • Bombardier Global 6000

    8 departures · 26.8% load

    0.2%

    Share

  • Boeing 787-9

    8 departures · 8.8% load

    0.2%

    Share

  • Bombardier BD-100-1A10 Challenger 300

    7 departures · 21.3% load

    0.1%

    Share

Monthly departures from Seattle

Monthly departures from Seattle, trailing 12 months through April 2026. Bars scale to the busiest month.

  • May 2025

    309 departures · 2,055 passengers

    47.2%

    Load

  • June 2025

    453 departures · 2,915 passengers

    40.0%

    Load

  • July 2025

    577 departures · 2,692 passengers

    49.1%

    Load

  • August 2025

    599 departures · 3,692 passengers

    55.2%

    Load

  • September 2025

    513 departures · 2,694 passengers

    39.0%

    Load

  • October 2025

    463 departures · 3,539 passengers

    39.8%

    Load

  • November 2025

    342 departures · 2,232 passengers

    40.2%

    Load

  • December 2025

    309 departures · 2,081 passengers

    32.9%

    Load

  • January 2026

    313 departures · 1,806 passengers

    27.8%

    Load

  • February 2026

    263 departures · 1,298 passengers

    31.1%

    Load

  • March 2026

    211 departures · 1,857 passengers

    25.9%

    Load

  • April 2026

    230 departures · 1,923 passengers

    36.1%

    Load

Source: US DOT Bureau of Transportation Statistics, T-100 Segment. Data through April 2026. The DOT publishes roughly three months in arrears.