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UA 5545 Chicago to Buffalo Flight Status

United Airlines Flight UA5545 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 December 16th, 2025.
Check the table below for UA5545's most recent flight history:

UA 5545 Flight Status & Schedule

Date Departure Arrival Status
Dec 16 19:26 21:40
Landed Late
Track >
Dec 15 18:57 21:09
Landed
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Dec 14 18:51 21:06
Landed
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Dec 13 18:54 21:01
Landed
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Dec 12 19:11 21:16
Landed
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United Airlines UA 5545 Chicago to Buffalo Flight Information

United Airlines Flight UA5545 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 UA5545 flight from Chicago to Buffalo?

The average flight time from Chicago to Buffalo is 1 hour and 11 minutes. The flight distance is 760 km / 472 miles and the average flight speed is 643 km/h / 399 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA5545 Chicago to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA5545 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA5545 flight?

The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 21:40.

How else can the flight UA5545 be referenced as?

This United Airlines flight can also be referenced as UAL5545, UA 5545, UAL 5545.

How often is flight UA5545 delayed?

On average, 70% of all UA5545 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled UA5545 flight or baggage issues?

If your UA5545 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 UA5545 Flight Tracker above for more details.

UA5545 and Chicago ORD to Buffalo BUF Flights

Flight UA5545 is code-shared by 6 airlines using the flight numbers AC5238, AV2278, CM1365, EK6226, NH7074, NZ2121

Other flights departing from Chicago ORD: UA3423, UA5517, UA583, AA4900

Other flights arriving at Buffalo BUF: WN2211, UA4484, WN3265, AA5426

All flights connecting Chicago ORD to Buffalo BUF.

UA5545 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.