UA 4522 Chicago to Buffalo Flight Status

United Airlines Flight UA4522 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 April 28th, 2026.
Check the table below for UA4522's most recent flight history:

UA 4522 Flight Status & Schedule

Date Departure Arrival Status
Apr 28 08:03 10:07
Landed
Track >
Apr 27 08:05 10:17
Landed
Track >
Apr 24 08:27 10:33
Landed Late
Track >
Apr 21 07:36 09:46
Landed
Track >
Apr 20 07:45 09:57
Landed
Track >

United Airlines UA 4522 Chicago to Buffalo Flight Information

United Airlines Flight UA4522 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 UA4522 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 8 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 643 km/h / 400 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4522 Chicago to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA4522 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4522 flight?

The latest flight took off on Tuesday, April 28th, 2026 with the flight status being Landed on 10:07.

How else can the flight UA4522 be referenced as?

This United Airlines flight can also be referenced as UAL4522, UA 4522, UAL 4522.

How often is flight UA4522 delayed?

On average, 30% of all UA4522 flights are delayed. The average delay is 47 minutes.

Can I get compensation for my delayed or cancelled UA4522 flight or baggage issues?

If your UA4522 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 UA4522 Flight Tracker above for more details.

UA4522 and Chicago ORD to Buffalo BUF Flights

Flight UA4522 is code-shared by 2 airlines using the flight numbers AC5214, NZ2111

Other flights departing from Chicago ORD: UA2619, AA3521, UA5530, UA5557

Other flights arriving at Buffalo BUF: WN920, UA4387, WN537, DL2139

All flights connecting Chicago ORD to Buffalo BUF.

UA4522 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.