| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | BUF | IAD | 15:22 | 16:06 |
Landed
|
Track > |
| Dec 16 | BUF | IAD | 15:07 | 15:52 |
Landed
|
Track > |
| Dec 15 | BUF | IAD | 16:49 | 17:43 |
Delayed
|
Track > |
| Dec 14 | BUF | IAD | 15:34 | 16:30 |
Landed
|
Track > |
| Dec 12 | BUF | IAD | 15:04 | 15:56 |
Landed
|
Track > |
| Dec 11 | BUF | IAD | 15:25 | 16:20 |
Landed
|
Track > |
| Dec 10 | BUF | IAD | 15:50 | 16:44 |
Landed Late
|
Track > |
| Dec 09 | BUF | IAD | 15:37 | 16:24 |
Landed
|
Track > |
| Dec 08 | BUF | IAD | 15:12 | 16:11 |
Landed
|
Track > |
| Dec 07 | BUF | IAD | 15:25 | 16:11 |
Landed
|
Track > |
United Airlines Flight UA4231 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 UA4231 flight from Buffalo to Washington?
The average flight time from Buffalo to Washington is 51 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 540 km/h / 336 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4231 Buffalo to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA4231 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4231 arriving at?
Flight UA4231 arrives at Washington Dulles International Airport (IAD) Terminal D.
When was the latest UA4231 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Landed on 16:06.
How else can the flight UA4231 be referenced as?
This United Airlines flight can also be referenced as UAL4231, UA 4231, UAL 4231.
How often is flight UA4231 delayed?
On average, 40% of all UA4231 flights are delayed. The average delay is 29 minutes.
Can I get compensation for my delayed or cancelled UA4231 flight or baggage issues?
If your UA4231 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 UA4231 Flight Tracker above for more details.
Flight UA4231 is code-shared by 3 airlines using the flight numbers AV2044, LH7751, SN8961
Other flights departing from Buffalo BUF: DL4971, WN1674, UA4496, WN2788
Other flights arriving at Washington IAD: UA4023, UA1695, DL3690, UA4597
All flights connecting Buffalo BUF to Washington IAD.
