Are you looking for the June 4th, 2026 UA 4426 Greensboro to Chicago flight? Click here to go to our UA4426 Greensboro to Chicago Flight Status page >

UA 4426 Chicago to Buffalo Flight Status

United Airlines Flight UA4426 from Chicago O'Hare International Airport ORD to Buffalo Niagara International Airport BUF is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 18th, 2025.
Check the table below for UA4426's most recent flight history:

UA 4426 Flight Status & Schedule

Date Departure Arrival Status
Aug 18 11:35 13:40
Landed Late
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Aug 17 10:35 13:21
Cancelled
Track >
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Aug 15 11:07 13:21
Landed
Track >
Aug 14 10:53 13:02
Landed
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Aug 13 10:46 12:58
Landed
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United Airlines UA 4426 Chicago to Buffalo Flight Information

United Airlines Flight UA4426 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 UA4426 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 10 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 623 km/h / 387 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4426 Chicago to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA4426 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4426 flight?

The latest flight took off on Monday, August 18th, 2025 with the flight status being Landed on 13:40.

How else can the flight UA4426 be referenced as?

This United Airlines flight can also be referenced as UAL4426, UA 4426, UAL 4426.

How often is flight UA4426 delayed?

On average, 30% of all UA4426 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled UA4426 flight or baggage issues?

If your UA4426 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 UA4426 Flight Tracker above for more details.

UA4426 and Chicago ORD to Buffalo BUF Flights

Flight UA4426 is code-shared by 3 airlines using the flight numbers AC3958, NH7400, NZ2115

Other flights departing from Chicago ORD: UA758, UA3638, UA5272, OO5836

Other flights arriving at Buffalo BUF: UA4183, UA2038, B61026, UA1800

All flights connecting Chicago ORD to Buffalo BUF.

UA4426 United Airlines Flight: Chicago to Buffalo Route Map

UA4426 United Airlines Flight Map: Chicago to Buffalo
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.