| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 13 | KOA | SFO | 11:00 | 19:06 |
Delayed >2h
|
Track > |
United Airlines Flight UA3921 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 many UA3921 flights are operated per week?
1 flight per week. The flight UA3921 is operated on Thursday.
What is the On-Time Performance (OTP) of United Airlines Flight UA3921 Kailua-Kona to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3921 is 5/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3921 flight?
The latest flight took off on Friday, August 14th, 2026 with the flight status being Scheduled on 19:06.
How else can the flight UA3921 be referenced as?
This United Airlines flight can also be referenced as UAL3921, UA 3921, UAL 3921.
How often is flight UA3921 delayed?
On average, 0% of all UA3921 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA3921 flight or baggage issues?
If your UA3921 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 UA3921 Flight Tracker above for more details.
Other flights departing from Kailua-Kona KOA: AS1057, AS266, AS920, ST5965
Other flights arriving at San Francisco SFO: LH458, UA939, UA511, AA2421
All flights connecting Kailua-Kona KOA to San Francisco SFO.