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UA 1800 Denver to Buffalo Flight Status

United Airlines Flight UA1800 from Denver International Airport DEN to Buffalo Niagara International Airport BUF is not scheduled for today July 2nd, 2026.
The last time the flight was scheduled was on August 18th, 2025.
Check the table below for UA1800's most recent flight history:

UA 1800 Flight Status & Schedule

Date Departure Arrival Status
Aug 18 18:16 23:04
Landed
Track >
Aug 17 18:04 22:51
Landed
Track >
Aug 16 19:22 00:05
Delayed
Track >
Aug 15 20:48 01:28
Delayed
Track >
Aug 14 19:37 00:18
Delayed
Track >

United Airlines UA 1800 Denver to Buffalo Flight Information

United Airlines Flight UA1800 connects Denver, United States to Buffalo, United States, taking off from Denver International Airport DEN and landing at Buffalo Niagara International Airport BUF.

How long is the UA1800 flight from Denver to Buffalo?

The average flight time from Denver to Buffalo is 2 hours and 48 minutes. The flight distance is 2182 km / 1356 miles and the average flight speed is 781 km/h / 485 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA1800 Denver to Buffalo?

The Airportia On-Time Performance Rating for United Airlines Flight UA1800 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA1800 arriving at?

Flight UA1800 arrives at Buffalo Niagara International Airport (BUF) Terminal S.

When was the latest UA1800 flight?

The latest flight took off on Tuesday, August 19th, 2025 with the flight status being Landed on 23:04.

How else can the flight UA1800 be referenced as?

This United Airlines flight can also be referenced as UAL1800, UA 1800, UAL 1800.

How often is flight UA1800 delayed?

On average, 80% of all UA1800 flights are delayed. The average delay is 68 minutes.

Can I get compensation for my delayed or cancelled UA1800 flight or baggage issues?

If your UA1800 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 UA1800 Flight Tracker above for more details.

UA1800 and Denver DEN to Buffalo BUF Flights

Other flights departing from Denver DEN: UA1479, UA2619, UA2326, UA1691

Other flights arriving at Buffalo BUF: B61026, UA4426, UA225, DL5243

All flights connecting Denver DEN to Buffalo BUF.

UA1800 United Airlines Flight: Denver to Buffalo Route Map

UA1800 United Airlines Flight Map: Denver 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.