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Green Bay/Austin Straubel International Airport (GRB) had nonstop service to 4 destinations on 3 airlines in our September 29, 2026 departure snapshot. The busiest route was to Chicago (ORD), served by 2 carriers, and the largest operator here was Delta Air Lines with nonstops to 3 destinations.
Route data as of September 29, 2026, based on a 7-day departures sample. Routes may have changed since this snapshot.
This schedule snapshot includes nonstop flights from GRB to 4 destinations. The snapshot shows about 18 flights per day across those routes. The busiest options start with Chicago (ORD), Detroit (DTW), Minneapolis (MSP).
0 international routes in this schedule set
United States 4
10/day on 2 airlines
Bombardier CRJ · Embraer E-Jet · Canadair Regional Jet
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Green Bay/Austin Straubel International Airport (GRB / KGRB) is located in Green Bay, United States.
The IATA code is GRB. The ICAO code is KGRB.
The busiest scheduled route from GRB in our September 29, 2026 departure data was GRB to ORD (Chicago), with 10/day across 2 airlines.
Delta Air Lines was the largest operator in our GRB schedule data, serving 3 destinations with 7-8/day.
This schedule snapshot includes 0 international routes and 4 domestic routes from GRB.
3 airlines operated at GRB in our September 29, 2026 snapshot. Top carriers include Delta Air Lines, United Airlines, American Airlines.
This schedule snapshot includes direct flights from GRB to 4 destinations including Chicago, Detroit, Minneapolis, Atlanta.
View live arrivals and departures at GRB on FlightRadar24.
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