| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 21 | IAD | BUF | 13:14 | 14:05 |
Landed
|
Track > |
| Jun 19 | IAD | BUF | 16:05 | 14:18 |
Unknown
|
Track > |
| Jun 14 | IAD | BUF | 13:15 | 14:04 |
Landed
|
Track > |
| Jun 12 | IAD | BUF | 13:05 | 13:54 |
Landed
|
Track > |
| Jun 07 | IAD | BUF | 13:04 | 13:55 |
Landed
|
Track > |
| Jun 05 | IAD | BUF | 13:04 | 13:52 |
Landed
|
Track > |
United Airlines Flight UA4559 connects Washington, United States to Buffalo, United States, taking off from Washington Dulles International Airport IAD and landing at Buffalo Niagara International Airport BUF.
How long is the UA4559 flight from Washington to Buffalo?
The average flight time from Washington to Buffalo is 49 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 514 km/h / 320 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4559 Washington to Buffalo?
The Airportia On-Time Performance Rating for United Airlines Flight UA4559 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4559 flight?
The latest flight took off on Sunday, June 21st, 2026 with the flight status being Landed on 14:05.
How else can the flight UA4559 be referenced as?
This United Airlines flight can also be referenced as UAL4559, UA 4559, UAL 4559.
How often is flight UA4559 delayed?
On average, 0% of all UA4559 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA4559 flight or baggage issues?
If your UA4559 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 UA4559 Flight Tracker above for more details.
Other flights departing from Washington IAD: UA4864, UA3502, UA4335, MW335
Other flights arriving at Buffalo BUF: WN2127, TJ202, WN330, WN117
All flights connecting Washington IAD to Buffalo BUF.