| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 01 | SFO | SNA | 10:57 | 12:01 |
Landed
|
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| Aug 31 | SFO | SNA | 10:29 | 11:33 |
Landed
|
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| Aug 30 | SFO | SNA | 10:52 | 11:58 |
Landed
|
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| Aug 29 | SFO | SNA | 10:41 | 11:44 |
Landed
|
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| Aug 28 | SFO | SNA | 10:47 | 11:53 |
Landed
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| Aug 27 | SFO | SNA | 10:46 | 11:51 |
Landed
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| Aug 26 | SFO | SNA | 10:54 | 11:57 |
Landed
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| Aug 25 | SFO | SNA | 11:34 | 12:41 |
Landed Late
|
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| Aug 24 | SFO | SNA | 10:33 | 11:41 |
Landed
|
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| Aug 23 | SFO | SNA | 10:38 | 11:43 |
Landed
|
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United Airlines Flight UA643 connects San Francisco, United States to Orange County, United States, taking off from San Francisco International Airport SFO and landing at Orange County John Wayne Airport SNA.
How long is the UA643 flight from San Francisco to Orange County?
The average flight time from San Francisco to Orange County is 1 hour and 5 minutes. The flight distance is 598 km / 372 miles and the average flight speed is 552 km/h / 343 mph.
How many UA643 flights are operated per week?
6 flights per week. The flight UA643 is operated on Monday, Tuesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA643 San Francisco to Orange County?
The Airportia On-Time Performance Rating for United Airlines Flight UA643 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA643 arriving at?
Flight UA643 arrives at Orange County John Wayne Airport (SNA) Terminal A.
When was the latest UA643 flight?
The latest flight took off on Tuesday, September 1st, 2026 with the flight status being Landed on 12:01.
How else can the flight UA643 be referenced as?
This United Airlines flight can also be referenced as UAL643, UA0643, UA 643, UAL 643.
How often is flight UA643 delayed?
On average, 10% of all UA643 flights are delayed. The average delay is 35 minutes.
Can I get compensation for my delayed or cancelled UA643 flight or baggage issues?
If your UA643 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 UA643 Flight Tracker above for more details.
Flight UA643 is code-shared by 3 airlines using the flight numbers AC4518, NZ9717, VA8495
Other flights departing from San Francisco SFO: UA2153, OO5510, UA1594, UA2322
Other flights arriving at Orange County SNA: AS1703, DL1835, WN451, WN2760
All flights connecting San Francisco SFO to Orange County SNA.
