| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 21 | IAD | SFO | 17:01 | 12:33 |
Unknown
|
Track > |
| May 16 | IAD | SFO | 19:00 | 22:01 |
Cancelled
|
Track > |
| Claim > | ||||||
United Airlines Flight UA3900 connects Washington, United States to San Francisco, United States, taking off from Washington Dulles International Airport IAD and landing at San Francisco International Airport SFO.
What is the On-Time Performance (OTP) of United Airlines Flight UA3900 Washington to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3900 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3900 arriving at?
Flight UA3900 arrives at San Francisco International Airport (SFO) Terminal INTL.
When was the latest UA3900 flight?
The latest flight took off on Thursday, May 21st, 2026 with the flight status being Unknown on 12:33.
How else can the flight UA3900 be referenced as?
This United Airlines flight can also be referenced as UAL3900, UA 3900, UAL 3900.
How often is flight UA3900 delayed?
On average, 0% of all UA3900 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3900 flight or baggage issues?
If your UA3900 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 UA3900 Flight Tracker above for more details.
Other flights departing from Washington IAD: MX634, UA3025, AC7798, G41378
Other flights arriving at San Francisco SFO: AZ640, MX258, UA1791, WN120
All flights connecting Washington IAD to San Francisco SFO.
