| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | ONT | SFO | 19:03 | 20:02 |
Landed
|
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| Oct 24 | ONT | SFO | 21:17 | 19:55 |
Unknown
|
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| Oct 23 | ONT | SFO | 18:54 | 19:56 |
Landed
|
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| Oct 22 | ONT | SFO | 19:02 | 19:59 |
Landed
|
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| Oct 21 | ONT | SFO | 19:22 | 20:16 |
Landed Late
|
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| Oct 20 | ONT | SFO | 19:16 | 20:09 |
Landed
|
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| Oct 19 | ONT | SFO | 19:27 | 20:27 |
Landed Late
|
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| Oct 18 | ONT | SFO | 18:55 | 19:48 |
Landed
|
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| Oct 17 | ONT | SFO | 19:11 | 20:15 |
Landed Late
|
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| Oct 16 | ONT | SFO | 19:22 | 20:18 |
Landed Late
|
Track > |
United Airlines Flight UA393 connects Ontario, United States to San Francisco, United States, taking off from Ontario International Airport ONT and landing at San Francisco International Airport SFO.
How long is the UA393 flight from Ontario to San Francisco?
The average flight time from Ontario to San Francisco is 57 minutes. The flight distance is 585 km / 363 miles and the average flight speed is 595 km/h / 370 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA393 Ontario to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA393 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA393 arriving at?
Flight UA393 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA393 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 20:02.
How else can the flight UA393 be referenced as?
This United Airlines flight can also be referenced as UAL393, UA0393, UA 393, UAL 393.
How often is flight UA393 delayed?
On average, 80% of all UA393 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled UA393 flight or baggage issues?
If your UA393 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 UA393 Flight Tracker above for more details.
Flight UA393 is code-shared by 2 airlines using the flight numbers AC4112, CM2528
Other flights departing from Ontario ONT: WN4012, AS2202, WN235, AA3109
Other flights arriving at San Francisco SFO: AC763, UA5287, UA1665, AA6432
All flights connecting Ontario ONT to San Francisco SFO.
