| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 27 | SFO | LAX | 12:30 | 13:51 |
En-Route
|
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| Feb 09 | SFO | LAX | 06:49 | 07:47 |
En-Route
|
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| Jan 06 | SFO | LAX | 11:00 | 11:50 |
En-Route
|
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| Jan 01 | SFO | LAX | 23:20 | 00:12 |
Delayed
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| Dec 21 | SFO | LAX | 08:13 | 09:07 |
Landed
|
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| Dec 10 | SFO | LAX | 20:06 | 21:01 |
Landed
|
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| Aug 01 | SFO | LAX | 08:18 | 07:20 |
En-Route
|
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United Airlines Flight UA3903 connects San Francisco, United States to Los Angeles, United States, taking off from San Francisco International Airport SFO and landing at Los Angeles International Airport LAX.
How long is the UA3903 flight from San Francisco to Los Angeles?
The average flight time from San Francisco to Los Angeles is 53 minutes. The flight distance is 543 km / 338 miles and the average flight speed is 495 km/h / 307 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA3903 San Francisco to Los Angeles?
The Airportia On-Time Performance Rating for United Airlines Flight UA3903 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest UA3903 flight?
The latest flight took off on Friday, February 27th, 2026 with the flight status being En-Route on 13:51.
How else can the flight UA3903 be referenced as?
This United Airlines flight can also be referenced as UAL3903, UA 3903, UAL 3903.
How often is flight UA3903 delayed?
On average, 14% of all UA3903 flights are delayed. The average delay is 87 minutes.
Can I get compensation for my delayed or cancelled UA3903 flight or baggage issues?
If your UA3903 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 UA3903 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: AS2292, AA1732, WN1648, UA5901
Other flights arriving at Los Angeles LAX: WN3785, DL1643, OO6459, DL4473
All flights connecting San Francisco SFO to Los Angeles LAX.
