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UA 4166 Chicago to Madison Flight Status

United Airlines Flight UA4166 from Chicago O'Hare International Airport ORD to Madison Dane County Regional Airport MSN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 20th, 2026.
Check the table below for UA4166's most recent flight history:

UA 4166 Flight Status & Schedule

Date Departure Arrival Status
May 20 10:30 10:59
Landed Late
Track >
May 19 09:33 10:08
Landed
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May 18 09:25 09:55
Landed
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May 17 09:16 09:43
Landed
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May 16 09:45 10:12
Landed
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United Airlines UA 4166 Chicago to Madison Flight Information

United Airlines Flight UA4166 connects Chicago, United States to Madison, United States, taking off from Chicago O'Hare International Airport ORD and landing at Madison Dane County Regional Airport MSN.

How long is the UA4166 flight from Chicago to Madison?

The average flight time from Chicago to Madison is 29 minutes. The flight distance is 174 km / 108 miles and the average flight speed is 352 km/h / 219 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4166 Chicago to Madison?

The Airportia On-Time Performance Rating for United Airlines Flight UA4166 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4166 flight?

The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 10:59.

How else can the flight UA4166 be referenced as?

This United Airlines flight can also be referenced as UAL4166, UA 4166, UAL 4166.

How often is flight UA4166 delayed?

On average, 30% of all UA4166 flights are delayed. The average delay is 31 minutes.

Can I get compensation for my delayed or cancelled UA4166 flight or baggage issues?

If your UA4166 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 UA4166 Flight Tracker above for more details.

UA4166 and Chicago ORD to Madison MSN Flights

Flight UA4166 is code-shared by 1 airline using the flight number NZ2653

Other flights departing from Chicago ORD: UA723, UA4448, UA1712, UA1036

Other flights arriving at Madison MSN: MX130, AA1556, AA2372, AA4738

All flights connecting Chicago ORD to Madison MSN.

UA4166 United Airlines Flight: Chicago to Madison Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.