| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 20 | BUF | IAD | 10:36 | 11:23 |
Landed
|
Track > |
| May 19 | BUF | IAD | 10:41 | 11:29 |
Landed
|
Track > |
| May 13 | BUF | IAD | 10:38 | 11:25 |
Landed
|
Track > |
| May 12 | BUF | IAD | 10:48 | 11:43 |
Landed
|
Track > |
| May 06 | BUF | IAD | 10:24 | 11:30 |
Unknown
|
Track > |
| May 05 | BUF | IAD | 10:23 | 11:40 |
Unknown
|
Track > |
United Airlines Flight UA4539 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 UA4539 flight from Buffalo to Washington?
The average flight time from Buffalo to Washington is 56 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 501 km/h / 311 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4539 Buffalo to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4539 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4539 flight?
The latest flight took off on Wednesday, May 20th, 2026 with the flight status being Landed on 11:23.
How else can the flight UA4539 be referenced as?
This United Airlines flight can also be referenced as UAL4539, UA 4539, UAL 4539.
How often is flight UA4539 delayed?
On average, 0% of all UA4539 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA4539 flight or baggage issues?
If your UA4539 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 UA4539 Flight Tracker above for more details.
Flight UA4539 is code-shared by 3 airlines using the flight numbers AV2043, CM2149, LH7699
Other flights departing from Buffalo BUF: AA4737, UA3444, AA5962, WN537
Other flights arriving at Washington IAD: UA1786, UA1327, UA529, UA2163
All flights connecting Buffalo BUF to Washington IAD.