UA 3668 Chicago to Buffalo Flight Status

United Airlines Flight UA3668 from Chicago O'Hare International Airport ORD to Buffalo Niagara International Airport BUF is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on August 17th, 2025.
Check the table below for UA3668's most recent flight history:

UA 3668 Flight Status & Schedule

Date Departure Arrival Status
Aug 17 07:42 09:53
Landed
Track >
Aug 16 07:27 09:40
Landed
Track >
Aug 10 07:41 09:54
Landed
Track >
Aug 09 07:46 10:02
Landed
Track >
Aug 03 07:56 10:10
Landed
Track >

United Airlines UA 3668 Chicago to Buffalo Flight Information

United Airlines Flight UA3668 connects Chicago, United States to Buffalo, United States, taking off from Chicago O'Hare International Airport ORD and landing at Buffalo Niagara International Airport BUF.

How long is the UA3668 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 12 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 633 km/h / 393 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3668 Chicago to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA3668 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA3668 arriving at?

Flight UA3668 arrives at Buffalo Niagara International Airport (BUF) Terminal A.

When was the latest UA3668 flight?

The latest flight took off on Sunday, August 17th, 2025 with the flight status being Landed on 09:53.

How else can the flight UA3668 be referenced as?

This United Airlines flight can also be referenced as UAL3668, UA 3668, UAL 3668.

How often is flight UA3668 delayed?

On average, 50% of all UA3668 flights are delayed. The average delay is 5 minutes.

Can I get compensation for my delayed or cancelled UA3668 flight or baggage issues?

If your UA3668 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 UA3668 Flight Tracker above for more details.

UA3668 and Chicago ORD to Buffalo BUF Flights

Flight UA3668 is code-shared by 2 airlines using the flight numbers AC3943, NZ2111

Other flights departing from Chicago ORD: UA4460, UA3595, OO5405, UA5405

Other flights arriving at Buffalo BUF: UA4183, UA4331, SY1057, WN178

All flights connecting Chicago ORD to Buffalo BUF.

UA3668 United Airlines Flight: Chicago to Buffalo Route Map

UA3668 United Airlines Flight Map: Chicago to Buffalo
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.