| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 11 | FRA | SFO | 09:18 | 11:37 |
Unknown
|
Track > |
| Sep 04 | FRA | SFO | 16:31 | 18:04 |
Landed Late
|
Track > |
| Sep 03 | FRA | SFO | 15:00 | 17:25 |
Cancelled
|
Track > |
| Claim > | ||||||
United Airlines Flight UA3904 connects Frankfurt, Germany to San Francisco, United States, taking off from Frankfurt Airport FRA and landing at San Francisco International Airport SFO.
How long is the UA3904 flight from Frankfurt to San Francisco?
The average flight time from Frankfurt to San Francisco is 10 hours and 33 minutes. The flight distance is 9148 km / 5684 miles and the average flight speed is 819 km/h / 509 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3904 Frankfurt to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA3904 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA3904 arriving at?
Flight UA3904 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA3904 flight?
The latest flight took off on Wednesday, March 11th, 2026 with the flight status being Unknown on 11:37.
How else can the flight UA3904 be referenced as?
This United Airlines flight can also be referenced as UAL3904, UA 3904, UAL 3904.
How often is flight UA3904 delayed?
On average, 33% of all UA3904 flights are delayed. The average delay is 35 minutes.
Can I get compensation for my delayed or cancelled UA3904 flight or baggage issues?
If your UA3904 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 UA3904 Flight Tracker above for more details.
Other flights departing from Frankfurt FRA: X32346, X3346, DE4355, SV926
Other flights arriving at San Francisco SFO: UA208, AA1684, AS2285, WN4713
All flights connecting Frankfurt FRA to San Francisco SFO.
