UA 3666 Chicago to Nashville Flight Status

United Airlines Flight UA3666 from Chicago O'Hare International Airport ORD to Nashville International Airport BNA is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on December 1st, 2025.
Check the table below for UA3666's most recent flight history:

UA 3666 Flight Status & Schedule

Date Departure Arrival Status
Dec 01 16:43 17:57
Landed Late
Track >
Nov 30 16:02 17:11
Landed
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Nov 28 16:02 17:08
Landed
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Nov 26 16:38 17:45
Landed Late
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Nov 25 16:25 17:38
Landed
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United Airlines UA 3666 Chicago to Nashville Flight Information

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

How long is the UA3666 flight from Chicago to Nashville?

The average flight time from Chicago to Nashville is 1 hour and 9 minutes. The flight distance is 659 km / 410 miles and the average flight speed is 574 km/h / 357 mph.

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

The Airportia On-Time Performance Rating for United Airlines Flight UA3666 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3666 arriving at?

Flight UA3666 arrives at Nashville International Airport (BNA) Terminal A.

When was the latest UA3666 flight?

The latest flight took off on Monday, December 1st, 2025 with the flight status being Landed on 17:57.

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, 30% of all UA3666 flights are delayed. The average delay is 17 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 Nashville BNA Flights

Flight UA3666 is code-shared by 4 airlines using the flight numbers AC3073, LH8754, NH7410, NZ2073

Other flights departing from Chicago ORD: UA4592, NK1333, UA1572, UA5687

Other flights arriving at Nashville BNA: UA5450, WN4550, AA5954, AA2710

All flights connecting Chicago ORD to Nashville BNA.

UA3666 United Airlines Flight: Chicago to Nashville 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.