| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 07 | HNL | SFO | 13:32 | 20:54 |
Landed
|
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| Sep 06 | HNL | SFO | 13:34 | 20:45 |
Landed
|
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| Sep 05 | HNL | SFO | 13:43 | 20:51 |
Landed
|
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| Sep 04 | HNL | SFO | 20:20 | 21:19 |
Unknown
|
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| Sep 03 | HNL | SFO | 13:31 | 20:59 |
Landed
|
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| Sep 02 | HNL | SFO | 13:26 | 20:52 |
Landed
|
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| Sep 01 | HNL | SFO | 13:24 | 20:48 |
Landed
|
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| Aug 31 | HNL | SFO | 13:54 | 21:13 |
Landed
|
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| Aug 30 | HNL | SFO | 13:37 | 21:04 |
Landed
|
Track > |
| Aug 29 | HNL | SFO | 13:41 | 21:00 |
Landed
|
Track > |
United Airlines Flight UA1646 connects Honolulu, United States to San Francisco, United States, taking off from Honolulu International Airport HNL and landing at San Francisco International Airport SFO.
How long is the UA1646 flight from Honolulu to San Francisco?
The average flight time from Honolulu to San Francisco is 4 hours and 20 minutes. The flight distance is 3857 km / 2396 miles and the average flight speed is 876 km/h / 545 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1646 Honolulu to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA1646 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1646 arriving at?
Flight UA1646 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA1646 flight?
The latest flight took off on Tuesday, September 8th, 2026 with the flight status being Landed on 20:54.
How else can the flight UA1646 be referenced as?
This United Airlines flight can also be referenced as UAL1646, UA 1646, UAL 1646.
How often is flight UA1646 delayed?
On average, 0% of all UA1646 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA1646 flight or baggage issues?
If your UA1646 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 UA1646 Flight Tracker above for more details.
Flight UA1646 is code-shared by 5 airlines using the flight numbers AC3527, AV2254, CA7233, CM2364, NZ9151
Other flights departing from Honolulu HNL: UA3934, HA1093, 9X2460, HA1083
Other flights arriving at San Francisco SFO: CZ659, UA1338, UA1229, UA1665
All flights connecting Honolulu HNL to San Francisco SFO.