| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Feb 11 | SFO | ONT | 17:57 | 19:01 |
Delayed
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| Feb 10 | SFO | ONT | 16:31 | 17:30 |
Landed
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| Feb 09 | SFO | ONT | 16:33 | 17:31 |
Landed
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| Feb 08 | SFO | ONT | 16:36 | 17:34 |
Landed
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| Feb 06 | SFO | ONT | 16:24 | 17:28 |
Landed
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| Feb 05 | SFO | ONT | 16:29 | 17:37 |
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| Feb 04 | SFO | ONT | 16:45 | 17:57 |
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| Feb 03 | SFO | ONT | 16:48 | 17:52 |
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| Feb 02 | SFO | ONT | 16:30 | 17:29 |
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| Feb 01 | SFO | ONT | 16:28 | 17:25 |
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United Airlines Flight UA373 connects San Francisco, United States to Ontario, United States, taking off from San Francisco International Airport SFO and landing at Ontario International Airport ONT.
How long is the UA373 flight from San Francisco to Ontario?
The average flight time from San Francisco to Ontario is 1 hour and 2 minutes. The flight distance is 585 km / 363 miles and the average flight speed is 566 km/h / 352 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA373 San Francisco to Ontario?
The Airportia On-Time Performance Rating for United Airlines Flight UA373 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA373 arriving at?
Flight UA373 arrives at Ontario International Airport (ONT) Terminal 2.
When was the latest UA373 flight?
The latest flight took off on Thursday, February 12th, 2026 with the flight status being En-Route on 19:01.
How else can the flight UA373 be referenced as?
This United Airlines flight can also be referenced as UAL373, UA0373, UA 373, UAL 373.
How often is flight UA373 delayed?
On average, 20% of all UA373 flights are delayed. The average delay is 42 minutes.
Can I get compensation for my delayed or cancelled UA373 flight or baggage issues?
If your UA373 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 UA373 Flight Tracker above for more details.
Flight UA373 is code-shared by 2 airlines using the flight numbers AC4014, EK6372
Other flights departing from San Francisco SFO: AS3249, UA776, UA5279, UA5720
Other flights arriving at Ontario ONT: WN1371, AA2235, WN2123, AA850
All flights connecting San Francisco SFO to Ontario ONT.