UA 4059 Buffalo to Washington Flight Status

United Airlines Flight UA4059 from Buffalo Niagara International Airport BUF to Washington Dulles International Airport IAD is not scheduled for today July 18th, 2026.
The last time the flight was scheduled was on May 20th, 2026.
Check the table below for UA4059's most recent flight history:

UA 4059 Flight Status & Schedule

Date Departure Arrival Status
May 20 06:16 07:01
Landed
Track >
May 19 06:14 07:05
Landed
Track >
May 18 06:28 07:16
Landed
Track >
May 17 06:31 07:17
Landed
Track >
May 16 06:19 07:05
Landed
Track >

United Airlines UA 4059 Buffalo to Washington Flight Information

United Airlines Flight UA4059 connects Buffalo, United States to Washington, United States, taking off from Buffalo Niagara International Airport BUF and landing at Washington Dulles International Airport IAD.

How long is the UA4059 flight from Buffalo to Washington?

The average flight time from Buffalo to Washington is 50 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 547 km/h / 340 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4059 Buffalo to Washington?

The Airportia On-Time Performance Rating for United Airlines Flight UA4059 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest UA4059 flight?

The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 07:01.

How else can the flight UA4059 be referenced as?

This United Airlines flight can also be referenced as UAL4059, UA 4059, UAL 4059.

How often is flight UA4059 delayed?

On average, 0% of all UA4059 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled UA4059 flight or baggage issues?

If your UA4059 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 UA4059 Flight Tracker above for more details.

UA4059 and Buffalo BUF to Washington IAD Flights

Flight UA4059 is code-shared by 1 airline using the flight number CM1075

Other flights departing from Buffalo BUF: AA3001, UA3489, AA4737, UA3444

Other flights arriving at Washington IAD: UA637, UA3494, UA3640, UA1238

All flights connecting Buffalo BUF to Washington IAD.

UA4059 United Airlines Flight: Buffalo to Washington 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.