| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Nov 30 | IAD | BUF | 08:44 | 09:34 |
Landed
|
Track > |
| Nov 29 | IAD | BUF | 08:35 | 09:35 |
Landed
|
Track > |
| Nov 26 | IAD | BUF | 08:39 | 09:29 |
Landed
|
Track > |
| Nov 23 | IAD | BUF | 08:46 | 09:42 |
Landed
|
Track > |
| Nov 22 | IAD | BUF | 08:43 | 09:33 |
Landed
|
Track > |
| Nov 16 | IAD | BUF | 08:52 | 09:47 |
Landed
|
Track > |
| Nov 15 | IAD | BUF | 08:52 | 09:46 |
Landed
|
Track > |
| Nov 09 | IAD | BUF | 09:04 | 09:55 |
Landed
|
Track > |
| Nov 08 | IAD | BUF | 08:40 | 09:35 |
Landed
|
Track > |
| Nov 02 | IAD | BUF | 08:59 | 09:49 |
Landed
|
Track > |
United Airlines Flight UA4327 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 UA4327 flight from Washington to Buffalo?
The average flight time from Washington to Buffalo is 53 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 518 km/h / 322 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4327 Washington to Buffalo?
The Airportia On-Time Performance Rating for United Airlines Flight UA4327 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4327 flight?
The latest flight took off on Sunday, November 30th, 2025 with the flight status being Landed on 09:34.
How else can the flight UA4327 be referenced as?
This United Airlines flight can also be referenced as UAL4327, UA 4327, UAL 4327.
How often is flight UA4327 delayed?
On average, 10% of all UA4327 flights are delayed. The average delay is 6 minutes.
Can I get compensation for my delayed or cancelled UA4327 flight or baggage issues?
If your UA4327 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 UA4327 Flight Tracker above for more details.
Flight UA4327 is code-shared by 1 airline using the flight number CM1239
Other flights departing from Washington IAD: UA3491, UA6140, UA1366, OO5061
Other flights arriving at Buffalo BUF: WN4575, UA3570, UA5941, B6902
All flights connecting Washington IAD to Buffalo BUF.