| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 06 | IAD | CVG | 18:25 | 19:36 |
Landed Late
|
Track > |
| Jan 31 | IAD | CVG | 17:48 | 18:52 |
Landed
|
Track > |
| Jan 30 | IAD | CVG | 17:40 | 18:49 |
Landed
|
Track > |
| Jan 29 | IAD | CVG | 17:27 | 18:36 |
Landed
|
Track > |
| Jan 28 | IAD | CVG | 17:26 | 18:45 |
Landed
|
Track > |
| Jan 27 | IAD | CVG | 19:25 | 20:38 |
Delayed
|
Track > |
| Jan 26 | IAD | CVG | 18:54 | 20:03 |
Delayed
|
Track > |
| Jan 25 | IAD | CVG | 17:15 | 19:03 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jan 24 | IAD | CVG | 17:44 | 18:56 |
Landed
|
Track > |
| Jan 23 | IAD | CVG | 17:27 | 18:45 |
Landed
|
Track > |
United Airlines Flight UA3999 connects Washington, United States to Cincinnati, United States, taking off from Washington Dulles International Airport IAD and landing at Cincinnati Northern Kentucky International Airport CVG.
How long is the UA3999 flight from Washington to Cincinnati?
The average flight time from Washington to Cincinnati is 1 hour and 11 minutes. The flight distance is 623 km / 387 miles and the average flight speed is 506 km/h / 315 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3999 Washington to Cincinnati?
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, February 7th, 2026 with the flight status being Landed on 19:36.
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, 30% of all UA3999 flights are delayed. The average delay is 62 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 5 airlines using the flight numbers AC3767, AV2229, CM2582, LH7648, SN9049
Other flights departing from Washington IAD: UA3612, UA3631, UA3640, UA3628
Other flights arriving at Cincinnati CVG: UA4381, G4414, G4403, 5Y8842
All flights connecting Washington IAD to Cincinnati CVG.