| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 05 | SIN | SFO | 22:15 | 22:05 |
Landed
|
Track > |
| Aug 03 | SIN | SFO | 22:47 | 23:08 |
Landed Late
|
Track > |
| Aug 02 | SIN | SFO | 21:00 | 22:16 |
Cancelled
|
Track > |
| Claim > | ||||||
United Airlines Flight UA3964 connects Singapore, Singapore to San Francisco, United States, taking off from Singapore Changi Airport SIN and landing at San Francisco International Airport SFO.
How long is the UA3964 flight from Singapore to San Francisco?
The average flight time from Singapore to San Francisco is 15 hours and 5 minutes. The flight distance is 13581 km / 8439 miles and the average flight speed is 878 km/h / 546 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3964 Singapore to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3964 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3964 arriving at?
Flight UA3964 arrives at San Francisco International Airport (SFO) Terminal 1.
When was the latest UA3964 flight?
The latest flight took off on Thursday, August 6th, 2026 with the flight status being Landed on 22:05.
How else can the flight UA3964 be referenced as?
This United Airlines flight can also be referenced as UAL3964, UA 3964, UAL 3964.
How often is flight UA3964 delayed?
On average, 33% of all UA3964 flights are delayed. The average delay is 52 minutes.
Can I get compensation for my delayed or cancelled UA3964 flight or baggage issues?
If your UA3964 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 UA3964 Flight Tracker above for more details.
Other flights departing from Singapore SIN: TR636, SQ7888, O3304, CI6872
Other flights arriving at San Francisco SFO: UA1299, UA3914, UA5704, AS3495
All flights connecting Singapore SIN to San Francisco SFO.