| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | BUF | IAD | 20:00 | 20:48 |
Landed
|
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| Sep 20 | BUF | IAD | 20:03 | 20:56 |
Landed
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| Sep 19 | BUF | IAD | 20:16 | 21:08 |
Landed
|
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| Sep 18 | BUF | IAD | 20:04 | 20:52 |
Landed
|
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| Sep 17 | BUF | IAD | 20:27 | 21:17 |
Landed
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| Sep 13 | BUF | IAD | 20:04 | 20:50 |
Landed
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| Sep 12 | BUF | IAD | 20:12 | 21:05 |
Landed
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| Sep 11 | BUF | IAD | 20:10 | 21:03 |
Landed
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| Sep 10 | BUF | IAD | 20:06 | 20:58 |
Landed
|
Track > |
| Sep 06 | BUF | IAD | 20:44 | 21:40 |
Landed Late
|
Track > |
United Airlines Flight UA3644 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 UA3644 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 538 km/h / 334 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3644 Buffalo to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA3644 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3644 arriving at?
Flight UA3644 arrives at Washington Dulles International Airport (IAD) Terminal 2.
When was the latest UA3644 flight?
The latest flight took off on Thursday, September 25th, 2025 with the flight status being Landed on 20:48.
How else can the flight UA3644 be referenced as?
This United Airlines flight can also be referenced as UAL3644, UA 3644, UAL 3644.
How often is flight UA3644 delayed?
On average, 10% of all UA3644 flights are delayed. The average delay is 21 minutes.
Can I get compensation for my delayed or cancelled UA3644 flight or baggage issues?
If your UA3644 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 UA3644 Flight Tracker above for more details.
Flight UA3644 is code-shared by 3 airlines using the flight numbers AV2044, CM2148, LH7611
Other flights departing from Buffalo BUF: UA514, WN1182, WN2257, AA6057
Other flights arriving at Washington IAD: UA562, UA6077, UA6043, UA6014
All flights connecting Buffalo BUF to Washington IAD.
