Chicago to Green Bay (ORD-GRB): nonstop upgrade & award space

United Airlines and American Airlines fly nonstop between Chicago (ORD) and Green Bay (GRB), roughly 160 times a week. With United Airlines running most of the schedule, the shape of a week is predictable, which makes an open premium seat on a given date easy to spot and quick to lose. 2LNR tracks confirmed upgrade and award space on American Airlines, on every ORD to GRB departure, so you know which flights have space before you book.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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160
Nonstop flights a week
173 mi
Nonstop distance
Free
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Chicago to Green Bay flight schedule

Scheduled nonstop departures for ORD to GRB, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Chicago (ORD) to Green Bay (GRB)
Date Flight Airline Departs ORD Arrives GRB Duration Aircraft
UA 5721United Airlines08:2909:481h 19mCR2
UA 4537United Airlines08:4010:011h 21mCR5
UA 5624United Airlines08:4009:591h 19mCRJ
AA 3918American Airlines10:4511:561h 11mE75
UA 5587United Airlines10:4512:051h 20mCR2
UA 5371United Airlines12:4013:551h 15mCR5
UA 4474United Airlines12:5014:051h 15mCR5
AA 4156American Airlines13:2914:411h 12mE75
UA 4554United Airlines13:5515:091h 14mCR5
UA 5460United Airlines14:2915:431h 14mCR5
UA 5625United Airlines14:2915:431h 14mCR5
UA 4485United Airlines15:3516:541h 19mCR5
UA 5907United Airlines15:3516:511h 16mCRJ
AA 3448American Airlines17:0818:251h 17mE75
UA 5689United Airlines17:3018:521h 22mCR5
UA 5385United Airlines17:5919:211h 22mCR5
UA 5457United Airlines18:2919:511h 22mCR2
UA 5860United Airlines19:4521:041h 19mCR5
UA 4610United Airlines22:0023:191h 19mCR5
UA 5375United Airlines22:0023:191h 19mE7W
UA 5458United Airlines22:0023:191h 19mE7W
AA 3736American Airlines23:0500:161h 11mE75
UA 5721United Airlines08:2909:481h 19mCR2
UA 4537United Airlines08:4010:011h 21mCR5
UA 5624United Airlines08:4009:591h 19mCRJ
AA 3918American Airlines10:4511:561h 11mE75
UA 5587United Airlines10:4512:051h 20mCR2
UA 5371United Airlines12:4013:551h 15mCR5
UA 4474United Airlines12:5014:051h 15mCR5
UA 4554United Airlines13:5515:091h 14mCR5
AA 4156American Airlines14:1815:341h 16mE75
UA 4574United Airlines14:2915:431h 14mCR5
UA 5625United Airlines14:2915:431h 14mCR5
UA 4485United Airlines15:3516:541h 19mCR5
UA 5907United Airlines15:3516:511h 16mCRJ
AA 3448American Airlines17:0818:251h 17mE75
UA 5385United Airlines17:5919:211h 22mCR5
UA 5457United Airlines18:2919:511h 22mCR5
UA 5860United Airlines19:4521:041h 19mCR5
UA 4610United Airlines22:0023:191h 19mCR5

Showing the first 40 of 151 scheduled ORD to GRB departures across the next 7 days with service. Every remaining date is on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every ORD to GRB date on the interactive map

Confirmed upgrade & award space on ORD to GRB departures

2LNR tracks confirmed upgrade and award space on American Airlines, segment by segment and date by date. Open the calendar for Chicago to Green Bay to see which departures have space, the next 14 days free on every product and the full horizon on Pro.

See real availability

Confirmed upgrade and award seats on each ORD to GRB departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See ORD to GRB on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Chicago to Green Bay nonstop

Carriers operating ORD to GRB nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See ORD to GRB on the interactive map →

Frequently asked questions about ORD to GRB

How far is Green Bay from Chicago?
ORD to GRB covers about 173 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from ORD to GRB?
United Airlines and American Airlines fly the route nonstop. 2LNR tracks confirmed upgrade and award space on American Airlines.
How many flights a week are there from ORD to GRB?
About 160 nonstop flights a week run between Chicago and Green Bay in the current schedule, operated by United Airlines and American Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from ORD to GRB depart?
Scheduled ORD to GRB nonstops in the next 7 days with service leave between 08:29 and 23:05, local time at Chicago. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
How do I check upgrade or award availability on ORD to GRB?
Open the ORD to GRB route on the interactive map or the matrix to see confirmed upgrade and award space by date on American Airlines, the next 14 days free and the full horizon on Pro. On Pro you can also set an alert on the route and 2LNR notifies you when space opens.

Never miss ORD to GRB upgrade or award space

See what is open by date on this route, the next 14 days free on every product and the full horizon on Pro.

Get started free