| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | IAD | BUF | 17:51 | 18:41 |
Landed
|
Track > |
| Oct 24 | IAD | BUF | 18:13 | 19:02 |
Landed
|
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| Oct 23 | IAD | BUF | 18:05 | 18:57 |
Landed
|
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| Oct 22 | IAD | BUF | 18:02 | 18:55 |
Landed
|
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| Oct 21 | IAD | BUF | 17:42 | 18:33 |
Landed
|
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| Oct 20 | IAD | BUF | 17:45 | 18:38 |
Landed
|
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| Oct 19 | IAD | BUF | 17:58 | 18:43 |
Landed
|
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| Oct 18 | IAD | BUF | 18:12 | 19:03 |
Landed
|
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| Oct 17 | IAD | BUF | 18:59 | 19:53 |
Delayed
|
Track > |
| Oct 16 | IAD | BUF | 17:56 | 18:51 |
Landed
|
Track > |
United Airlines Flight UA4456 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 UA4456 flight from Washington to Buffalo?
The average flight time from Washington to Buffalo is 51 minutes. The flight distance is 457 km / 284 miles and the average flight speed is 536 km/h / 333 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4456 Washington to Buffalo?
The Airportia On-Time Performance Rating for United Airlines Flight UA4456 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA4456 flight?
The latest flight took off on Saturday, October 25th, 2025 with the flight status being Landed on 18:41.
How else can the flight UA4456 be referenced as?
This United Airlines flight can also be referenced as UAL4456, UA 4456, UAL 4456.
How often is flight UA4456 delayed?
On average, 50% of all UA4456 flights are delayed. The average delay is 17 minutes.
Can I get compensation for my delayed or cancelled UA4456 flight or baggage issues?
If your UA4456 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 UA4456 Flight Tracker above for more details.
Flight UA4456 is code-shared by 4 airlines using the flight numbers AV2042, CM2142, LH7566, SN8933
Other flights departing from Washington IAD: UA4016, UA3988, UA1071, AA1863
Other flights arriving at Buffalo BUF: AA1486, WN3680, AA4597, AA5870
All flights connecting Washington IAD to Buffalo BUF.
