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Airports · Austin Straubel International Airport

Flights from Green Bay (GRB)

Airlines flew 6,144 departures out of Austin Straubel International Airport (GRB) carrying 358,478 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 Green Bay

US DOT T-100 · filed data

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

Departures

6,144

April 2026

Seats flown

457,158

Passengers

358,478

Load factor

78.4%

passengers ÷ seats

Busiest routes from Green Bay

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

  • GRBORD

    3,476 departures · 160,324 passengers

    77.4%

    Load

  • GRBMSP

    1,072 departures · 69,091 passengers

    82.7%

    Load

  • GRBDTW

    1,071 departures · 69,465 passengers

    80.7%

    Load

  • GRBATL

    360 departures · 47,020 passengers

    81.8%

    Load

  • GRBDEN

    31 departures · 4,433 passengers

    62.6%

    Load

  • GRBGRB

    25 departures · 0 passengers

    0.0%

    Load

  • GRBIFP

    9 departures · 1,546 passengers

    92.3%

    Load

  • GRBGPT

    6 departures · 978 passengers

    87.6%

    Load

  • GRBPHX

    5 departures · 356 passengers

    53.7%

    Load

  • GRBCLT

    5 departures · 361 passengers

    62.6%

    Load

  • GRBSBN

    5 departures · 0 passengers

    0.0%

    Load

  • GRBCLE

    4 departures · 272 passengers

    62.7%

    Load

  • GRBMDW

    4 departures · 340 passengers

    62.7%

    Load

  • GRBPHL

    4 departures · 616 passengers

    85.1%

    Load

  • GRBEWR

    3 departures · 352 passengers

    57.1%

    Load

Airlines at Green Bay

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

Aircraft flown from Green Bay

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

Monthly departures from Green Bay

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

  • May 2025

    476 departures · 29,920 passengers

    83.6%

    Load

  • June 2025

    511 departures · 31,415 passengers

    82.3%

    Load

  • July 2025

    522 departures · 33,358 passengers

    87.2%

    Load

  • August 2025

    521 departures · 33,347 passengers

    87.2%

    Load

  • September 2025

    521 departures · 31,671 passengers

    80.8%

    Load

  • October 2025

    571 departures · 33,129 passengers

    75.6%

    Load

  • November 2025

    524 departures · 29,622 passengers

    70.0%

    Load

  • December 2025

    494 departures · 26,434 passengers

    72.5%

    Load

  • January 2026

    482 departures · 25,717 passengers

    73.0%

    Load

  • February 2026

    461 departures · 25,914 passengers

    77.3%

    Load

  • March 2026

    502 departures · 28,758 passengers

    79.3%

    Load

  • April 2026

    559 departures · 29,193 passengers

    73.3%

    Load

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