| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 24 | SFO | SMF | 08:15 | 07:23 |
En-Route
|
Track > |
United Airlines Flight UA3900 connects San Francisco, United States to Sacramento, United States, taking off from San Francisco International Airport SFO and landing at Sacramento International Airport SMF.
What is the On-Time Performance (OTP) of United Airlines Flight UA3900 San Francisco to Sacramento?
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 Sacramento International Airport (SMF) Terminal A.
When was the latest UA3900 flight?
The latest flight took off on Thursday, September 24th, 2026 with the flight status being En-Route on 07:23.
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 San Francisco SFO: WS1501, WN4703, UA2158, WN1792
Other flights arriving at Sacramento SMF: WN3040, WN3542, WN2526, WN3199
All flights connecting San Francisco SFO to Sacramento SMF.
