| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | ORD | GRB | 16:04 | 16:48 |
Landed
|
Track > |
| Dec 16 | ORD | GRB | 15:52 | 16:32 |
Landed
|
Track > |
| Dec 10 | ORD | GRB | 17:34 | 16:45 |
En-Route
|
Track > |
| Dec 09 | ORD | GRB | 17:32 | 16:45 |
En-Route
|
Track > |
| Dec 03 | ORD | GRB | 17:09 | 16:45 |
En-Route
|
Track > |
| Dec 02 | ORD | GRB | 16:54 | 17:31 |
Landed Late
|
Track > |
United Airlines Flight UA4539 connects Chicago, United States to Green Bay, United States, taking off from Chicago O'Hare International Airport ORD and landing at Green Bay Austin Straubel International Airport GRB.
How long is the UA4539 flight from Chicago to Green Bay?
The average flight time from Chicago to Green Bay is 40 minutes. The flight distance is 279 km / 174 miles and the average flight speed is 328 km/h / 204 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4539 Chicago to Green Bay?
The Airportia On-Time Performance Rating for United Airlines Flight UA4539 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4539 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 16:48.
How else can the flight UA4539 be referenced as?
This United Airlines flight can also be referenced as UAL4539, UA 4539, UAL 4539.
How often is flight UA4539 delayed?
On average, 33% of all UA4539 flights are delayed. The average delay is 24 minutes.
Can I get compensation for my delayed or cancelled UA4539 flight or baggage issues?
If your UA4539 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA4539 Flight Tracker above for more details.
Flight UA4539 is code-shared by 2 airlines using the flight numbers CM1395, LH7998
Other flights departing from Chicago ORD: UA3525, UA5261, UA5340, UA5693
Other flights arriving at Green Bay GRB: DL1726, DL5519, OO5581, DL3624
All flights connecting Chicago ORD to Green Bay GRB.