The observed direct connection between Chicago O'Hare International Airport (ORD) and Austin Straubel International Airport (GRB) covers approximately 173 mi. The estimated flight time is around 50m. Envoy Air, GoJet Airlines LLC, Republic Airways and SkyWest Airlines have been observed on this connection in the available route data.
Frequently asked questions about this route
How far is Chicago from Green Bay by air?
The great-circle distance between Chicago O'Hare International Airport and Austin Straubel International Airport is approximately 173 mi.
How long is the flight from Chicago to Green Bay?
Based on the distance, the estimated flight time is about 50m. This is an estimate, not a schedule.
Is there a direct connection from Chicago to Green Bay?
Yes, a direct connection between ORD and GRB has been observed in our route data.
Which airlines have been observed on this route?
In the available route data: Envoy Air, GoJet Airlines LLC, Republic Airways and SkyWest Airlines.
How often is there a flight from Chicago to Green Bay?
On average around 10 flights a day, measured over twelve months (October 2025 to September 2026) in the flight archive, with 3,347 observed flights. Mainly Envoy Air, SkyWest Airlines, GoJet Airlines LLC. That is an observation, not a timetable.
What is the current time difference between Chicago and Green Bay?
Same local time in Chicago and Green Bay.
Where this data comes from
The route data comes from the flight archive (ADS-B, adsb.lol): which connections actually flew over the last twelve full months and who flew them, combined with our own airport, runway, and airline datasets. It is reference data about observed routes - not a current timetable and no claim about bookability.
The frequency and aircraft on this page come from the flight archive (ADS-B, 12 months, October 2025 to September 2026), summarized per route per month. We do not see every flight, so it is a floor, not a count.