| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 28 | IAD | STL | 09:00 | 11:00 |
Scheduled
|
Track > |
United Airlines Flight UA3399 connects Washington, United States to St. Louis, United States, taking off from Washington Dulles International Airport IAD and landing at St. Louis Lambert International Airport STL.
How many UA3399 flights are operated per week?
1 flight per week. The flight UA3399 is operated on Tuesday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3399 Washington to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA3399 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3399 arriving at?
Flight UA3399 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA3399 flight?
The latest flight took off on Tuesday, July 28th, 2026 with the flight status being Scheduled on 11:00.
How else can the flight UA3399 be referenced as?
This United Airlines flight can also be referenced as UAL3399, UA 3399, UAL 3399.
How often is flight UA3399 delayed?
On average, 0% of all UA3399 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3399 flight or baggage issues?
If your UA3399 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 UA3399 Flight Tracker above for more details.
Other flights departing from Washington IAD: UA683, UA2101, UA4333, UA4425
Other flights arriving at St. Louis STL: WN4900, WN1373, UA3630, AC7796
All flights connecting Washington IAD to St. Louis STL.