| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | ORD | DCA | 10:30 | 12:51 |
Landed
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| Apr 28 | ORD | DCA | 10:22 | 12:50 |
Landed
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| Apr 27 | ORD | DCA | 12:06 | 14:33 |
Delayed
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| Apr 26 | ORD | DCA | 10:43 | 13:14 |
Landed
|
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| Apr 24 | ORD | DCA | 10:59 | 13:25 |
Landed Late
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| Apr 23 | ORD | DCA | 10:35 | 13:00 |
Landed
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| Apr 22 | ORD | DCA | 10:12 | 12:37 |
Landed
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| Apr 21 | ORD | DCA | 10:15 | 12:39 |
Landed
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| Apr 20 | ORD | DCA | 10:19 | 12:48 |
Landed
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| Apr 19 | ORD | DCA | 10:27 | 12:51 |
Landed
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United Airlines Flight UA3666 connects Chicago, United States to Washington, United States, taking off from Chicago O'Hare International Airport ORD and landing at Washington Ronald Reagan National Airport DCA.
How long is the UA3666 flight from Chicago to Washington?
The average flight time from Chicago to Washington is 1 hour and 26 minutes. The flight distance is 983 km / 611 miles and the average flight speed is 686 km/h / 426 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3666 Chicago to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA3666 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3666 arriving at?
Flight UA3666 arrives at Washington Ronald Reagan National Airport (DCA) Terminal 2.
When was the latest UA3666 flight?
The latest flight took off on Wednesday, April 29th, 2026 with the flight status being Landed on 12:51.
How else can the flight UA3666 be referenced as?
This United Airlines flight can also be referenced as UAL3666, UA 3666, UAL 3666.
How often is flight UA3666 delayed?
On average, 30% of all UA3666 flights are delayed. The average delay is 34 minutes.
Can I get compensation for my delayed or cancelled UA3666 flight or baggage issues?
If your UA3666 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 UA3666 Flight Tracker above for more details.
Flight UA3666 is code-shared by 1 airline using the flight number NZ2283
Other flights departing from Chicago ORD: AA5643, NK2205, AA5589, TK6039
Other flights arriving at Washington DCA: AA4366, WN2686, AA4391, AA1200
All flights connecting Chicago ORD to Washington DCA.