| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 10 | KOA | SFO | 18:31 | 02:02 |
Delayed
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United Airlines Flight UA3931 connects Kailua-Kona, United States to San Francisco, United States, taking off from Kona International Airport KOA and landing at San Francisco International Airport SFO.
How long is the UA3931 flight from Kailua-Kona to San Francisco?
The average flight time from Kailua-Kona to San Francisco is 4 hours and 31 minutes. The flight distance is 3808 km / 2366 miles and the average flight speed is 843 km/h / 524 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3931 Kailua-Kona to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3931 is 3.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3931 arriving at?
Flight UA3931 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA3931 flight?
The latest flight took off on Monday, May 11th, 2026 with the flight status being En-Route on 02:02.
How else can the flight UA3931 be referenced as?
This United Airlines flight can also be referenced as UAL3931, UA 3931, UAL 3931.
How often is flight UA3931 delayed?
On average, 100% of all UA3931 flights are delayed. The average delay is 84 minutes.
Can I get compensation for my delayed or cancelled UA3931 flight or baggage issues?
If your UA3931 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 UA3931 Flight Tracker above for more details.
Other flights departing from Kailua-Kona KOA: UA3930, UA3026, HA1007, AS319
Other flights arriving at San Francisco SFO: AA1465, UA3026, UA3750, CI5345
All flights connecting Kailua-Kona KOA to San Francisco SFO.