UA 1866 Madison to Chicago Flight Status

United Airlines Flight UA1866 from Madison Dane County Regional Airport MSN to Chicago O'Hare International Airport ORD is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 25th, 2025.
Check the table below for UA1866's most recent flight history:

UA 1866 Flight Status & Schedule

Date Departure Arrival Status
Oct 25 11:09 11:37
Landed
Track >
Oct 24 11:17 11:48
Landed
Track >
Oct 23 10:52 11:24
Landed
Track >
Oct 22 10:59 11:30
Landed
Track >
Oct 21 10:47 11:19
Landed
Track >

United Airlines UA 1866 Madison to Chicago Flight Information

United Airlines Flight UA1866 connects Madison, United States to Chicago, United States, taking off from Madison Dane County Regional Airport MSN and landing at Chicago O'Hare International Airport ORD.

How long is the UA1866 flight from Madison to Chicago?

The average flight time from Madison to Chicago is 30 minutes. The flight distance is 174 km / 108 miles and the average flight speed is 341 km/h / 212 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1866 Madison to Chicago?

The Airportia On-Time Performance Rating for United Airlines Flight UA1866 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1866 arriving at?

Flight UA1866 arrives at Chicago O'Hare International Airport (ORD) Terminal 3.

When was the latest UA1866 flight?

The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 11:37.

How else can the flight UA1866 be referenced as?

This United Airlines flight can also be referenced as UAL1866, UA 1866, UAL 1866.

How often is flight UA1866 delayed?

On average, 20% of all UA1866 flights are delayed. The average delay is 41 minutes.

Can I get compensation for my delayed or cancelled UA1866 flight or baggage issues?

If your UA1866 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 UA1866 Flight Tracker above for more details.

UA1866 and Madison MSN to Chicago ORD Flights

Flight UA1866 is code-shared by 2 airlines using the flight numbers AV2323, NZ2648

Other flights departing from Madison MSN: AA4046, UA1029, AA6270, OO6270

Other flights arriving at Chicago ORD: KJ2929, UA3645, UA4399, UA4494

All flights connecting Madison MSN to Chicago ORD.

UA1866 United Airlines Flight: Madison to Chicago Route Map

UA1866 United Airlines Flight Map: Madison to Chicago
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.