UA 3491 Chicago to Buffalo Flight Status

United Airlines Flight UA3491 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 March 27th, 2026.
Check the table below for UA3491's most recent flight history:

UA 3491 Flight Status & Schedule

Date Departure Arrival Status
Mar 27 14:11 16:13
Unknown
Track >
Mar 26 14:16 16:20
Landed
Track >
Mar 25 14:15 16:21
Landed
Track >
Mar 24 14:13 16:19
Landed
Track >
Mar 23 14:33 16:35
Landed
Track >

United Airlines UA 3491 Chicago to Buffalo Flight Information

United Airlines Flight UA3491 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 UA3491 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 6 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 660 km/h / 410 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA3491 Chicago to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA3491 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA3491 flight?

The latest flight took off on Friday, March 27th, 2026 with the flight status being Unknown on 16:13.

How else can the flight UA3491 be referenced as?

This United Airlines flight can also be referenced as UAL3491, UA 3491, UAL 3491.

How often is flight UA3491 delayed?

On average, 10% of all UA3491 flights are delayed. The average delay is 47 minutes.

Can I get compensation for my delayed or cancelled UA3491 flight or baggage issues?

If your UA3491 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 UA3491 Flight Tracker above for more details.

UA3491 and Chicago ORD to Buffalo BUF Flights

Flight UA3491 is code-shared by 2 airlines using the flight numbers AC3967, NZ2113

Other flights departing from Chicago ORD: AA4185, UA4573, UA5582, UA5849

Other flights arriving at Buffalo BUF: B62966, WN1287, AA4496, WN3345

All flights connecting Chicago ORD to Buffalo BUF.

UA3491 United Airlines Flight: Chicago to Buffalo 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.