| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 17 | BDL | IAD | 20:24 | 21:24 |
Landed
|
Track > |
| Jul 16 | BDL | IAD | 19:47 | 20:48 |
Landed
|
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| Jul 15 | BDL | IAD | 21:08 | 22:04 |
Delayed
|
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| Jul 14 | BDL | IAD | 20:00 | 20:53 |
Landed
|
Track > |
| Jul 13 | BDL | IAD | 19:57 | 20:48 |
Landed
|
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| Jul 12 | BDL | IAD | 19:53 | 20:48 |
Landed
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| Jul 10 | BDL | IAD | 21:03 | 21:58 |
Landed Late
|
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| Jul 09 | BDL | IAD | 21:11 | 22:03 |
Delayed
|
Track > |
| Jul 08 | BDL | IAD | 19:50 | 20:44 |
Landed
|
Track > |
| Jul 07 | BDL | IAD | 19:49 | 20:53 |
Landed
|
Track > |
United Airlines Flight UA3999 connects Windsor Locks, United States to Washington, United States, taking off from Windsor Locks Bradley International Airport BDL and landing at Washington Dulles International Airport IAD.
How long is the UA3999 flight from Windsor Locks to Washington?
The average flight time from Windsor Locks to Washington is 56 minutes. The flight distance is 523 km / 325 miles and the average flight speed is 562 km/h / 349 mph.
How many UA3999 flights are operated per week?
5 flights per week. The flight UA3999 is operated on Monday, Tuesday, Wednesday, Thursday and Friday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Windsor Locks to Washington?
The Airportia On-Time Performance Rating for United Airlines Flight UA3999 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3999 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 21:24.
How else can the flight UA3999 be referenced as?
This United Airlines flight can also be referenced as UAL3999, UA 3999, UAL 3999.
How often is flight UA3999 delayed?
On average, 40% of all UA3999 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled UA3999 flight or baggage issues?
If your UA3999 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 UA3999 Flight Tracker above for more details.
Flight UA3999 is code-shared by 3 airlines using the flight numbers AC3357, CM1051, LH7875
Other flights departing from Windsor Locks BDL: AA5857, AA5412, B6275, 8C6763
Other flights arriving at Washington IAD: UA4235, UA4270, UA2136, UA3582
All flights connecting Windsor Locks BDL to Washington IAD.