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UA4723 Flight Status United Airlines: Ontario to San Francisco (UAL4723)

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UA 4723 Ontario to San Francisco Flight Status

United Airlines Flight UA4723 from Ontario International Airport ONT to San Francisco International Airport SFO is not scheduled for today July 18th, 2026.
The last time the flight was scheduled was on October 19th, 2025.
Check the table below for UA4723's most recent flight history:

UA 4723 Flight Status & Schedule

Date Departure Arrival Status
Oct 19 20:58 21:57
Landed
 Track >
Oct 12 20:55 22:00
Landed
 Track >
Oct 05 21:14 22:15
Landed Late
 Track >
Sep 28 22:03 23:05
Delayed
 Track >
< All ONT Departures All SFO Arrivals >

United Airlines UA 4723 Ontario to San Francisco Flight Information

United Airlines Flight UA4723 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 UA4723 flight from Ontario to San Francisco?

The average flight time from Ontario to San Francisco is 1 hour and 1 minute. The flight distance is 585 km / 363 miles and the average flight speed is 569 km/h / 353 mph.

What is the On-Time Performance (OTP) of United Airlines Flight UA4723 Ontario to San Francisco?

The Airportia On-Time Performance Rating for United Airlines Flight UA4723 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight UA4723 arriving at?

Flight UA4723 arrives at San Francisco International Airport (SFO) Terminal 3.

When was the latest UA4723 flight?

The latest flight took off on Monday, October 20th, 2025 with the flight status being Landed on 21:57.

How else can the flight UA4723 be referenced as?

This United Airlines flight can also be referenced as UAL4723, UA 4723, UAL 4723.

How often is flight UA4723 delayed?

On average, 100% of all UA4723 flights are delayed. The average delay is 29 minutes.

Can I get compensation for my delayed or cancelled UA4723 flight or baggage issues?

If your UA4723 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 UA4723 Flight Tracker above for more details.

UA4723 and Ontario ONT to San Francisco SFO Flights

Flight UA4723 is code-shared by 2 airlines using the flight numbers AC4080, CM1360

Other flights departing from Ontario ONT: AS1399, WN2609, AA3109, WN749

Other flights arriving at San Francisco SFO: UA4653, UA511, AS574, UA1527

All flights connecting Ontario ONT to San Francisco SFO.

UA4723 United Airlines Flight: Ontario to San Francisco Route Map

UA4723 United Airlines Flight Map: Ontario to San Francisco
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: SY9342 MW2591 FJ1286 FJ166 AC7903 G49398 QF307 G49210 OH5018 AA9772
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.