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UA3666 Flight Status United Airlines: Chicago to Baltimore (UAL3666)

UA 3666 Chicago to Baltimore Flight Status

United Airlines Flight UA3666 from Chicago O'Hare International Airport ORD to Baltimore Washington International Airport BWI is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 15th, 2025.
Check the table below for UA3666's most recent flight history:

UA 3666 Flight Status & Schedule

Date Departure Arrival Status
Jun 15 15:09 17:40
Landed
 Track >
Jun 08 14:45 17:15
Landed
 Track >
Jun 01 14:47 17:13
Landed
 Track >
< All ORD Departures All BWI Arrivals >

United Airlines UA 3666 Chicago to Baltimore Flight Information

United Airlines Flight UA3666 connects Chicago, United States to Baltimore, United States, taking off from Chicago O'Hare International Airport ORD and landing at Baltimore Washington International Airport BWI.

How long is the UA3666 flight from Chicago to Baltimore?

The average flight time from Chicago to Baltimore is 1 hour and 29 minutes. The flight distance is 998 km / 620 miles and the average flight speed is 673 km/h / 418 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3666 Chicago to Baltimore?

The Airportia On-Time Performance Rating for United Airlines Flight UA3666 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3666 flight?

The latest flight took off on Sunday, June 15th, 2025 with the flight status being Landed on 17:40.

How else can the flight UA3666 be referenced as?

This United Airlines flight can also be referenced as UAL3666, UA 3666, UAL 3666.

How often is flight UA3666 delayed?

On average, 33% of all UA3666 flights are delayed. The average delay is 3 minutes.

Can I get compensation for my delayed or cancelled UA3666 flight or baggage issues?

If your UA3666 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 UA3666 Flight Tracker above for more details.

UA3666 and Chicago ORD to Baltimore BWI Flights

Flight UA3666 is code-shared by 2 airlines using the flight numbers NH7488, NZ2123

Other flights departing from Chicago ORD: UA2299, UA5816, UA4500, 7L4882

Other flights arriving at Baltimore BWI: WN2132, WN1895, WN3309, WN4738

All flights connecting Chicago ORD to Baltimore BWI.

UA3666 United Airlines Flight: Chicago to Baltimore Route Map

UA3666 United Airlines Flight Map: Chicago to Baltimore
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: 6K4001 AD4249 S43401 IZ289 KJ5419 ZP1861 9M9991 UP784 WN4927 PC4674
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.