| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 14 | SIN | SFO | 12:31 | 12:02 |
Landed
|
Track > |
United Airlines Flight UA3978 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 UA3978 flight from Singapore to San Francisco?
The average flight time from Singapore to San Francisco is 14 hours and 31 minutes. The flight distance is 13581 km / 8439 miles and the average flight speed is 936 km/h / 581 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3978 Singapore to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3978 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3978 arriving at?
Flight UA3978 arrives at San Francisco International Airport (SFO) Terminal 1.
When was the latest UA3978 flight?
The latest flight took off on Wednesday, October 14th, 2026 with the flight status being Landed on 12:02.
How else can the flight UA3978 be referenced as?
This United Airlines flight can also be referenced as UAL3978, UA 3978, UAL 3978.
How often is flight UA3978 delayed?
On average, 0% of all UA3978 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3978 flight or baggage issues?
If your UA3978 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 UA3978 Flight Tracker above for more details.
Other flights departing from Singapore SIN: SQ912, TR8, HU748, TR474
Other flights arriving at San Francisco SFO: UA2352, AA2105, UA1773, AS528
All flights connecting Singapore SIN to San Francisco SFO.