| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Oct 25 | SLC | SFO | 17:13 | 17:50 |
Landed
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| Oct 24 | SLC | SFO | 17:11 | 17:41 |
Landed
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| Oct 23 | SLC | SFO | 17:20 | 17:49 |
Landed
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| Oct 22 | SLC | SFO | 16:52 | 17:24 |
Landed
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| Oct 21 | SLC | SFO | 16:57 | 17:27 |
Landed
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| Oct 20 | SLC | SFO | 17:03 | 17:28 |
Landed
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| Oct 19 | SLC | SFO | 17:37 | 18:09 |
Landed Late
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| Oct 18 | SLC | SFO | 16:54 | 17:28 |
Landed
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| Oct 17 | SLC | SFO | 16:48 | 17:16 |
Landed
|
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| Oct 16 | SLC | SFO | 17:06 | 17:33 |
Landed
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United Airlines Flight UA646 connects Salt Lake City, United States to San Francisco, United States, taking off from Salt Lake City International Airport SLC and landing at San Francisco International Airport SFO.
How long is the UA646 flight from Salt Lake City to San Francisco?
The average flight time from Salt Lake City to San Francisco is 1 hour and 30 minutes. The flight distance is 962 km / 598 miles and the average flight speed is 639 km/h / 397 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA646 Salt Lake City to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA646 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA646 arriving at?
Flight UA646 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA646 flight?
The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 17:50.
How else can the flight UA646 be referenced as?
This United Airlines flight can also be referenced as UAL646, UA0646, UA 646, UAL 646.
How often is flight UA646 delayed?
On average, 20% of all UA646 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled UA646 flight or baggage issues?
If your UA646 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 UA646 Flight Tracker above for more details.
Flight UA646 is code-shared by 6 airlines using the flight numbers AC4143, LH7851, LX3319, NZ9623, OZ6523, VA8446
Other flights departing from Salt Lake City SLC: UA6171, WN3850, WN1719, WN2243
Other flights arriving at San Francisco SFO: UA538, AA2446, UA1800, AA4982
All flights connecting Salt Lake City SLC to San Francisco SFO.
