| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | SMF | SFO | 16:51 | 17:25 |
Landed
|
Track > |
| Mar 03 | SMF | SFO | 16:57 | 17:31 |
Landed
|
Track > |
| Mar 01 | SMF | SFO | 17:20 | 17:53 |
Landed
|
Track > |
| Feb 28 | SMF | SFO | 17:05 | 17:39 |
Landed
|
Track > |
| Feb 27 | SMF | SFO | 17:08 | 17:39 |
Landed
|
Track > |
| Feb 26 | SMF | SFO | 20:06 | 17:50 |
Unknown
|
Track > |
| Feb 25 | SMF | SFO | 17:01 | 17:33 |
Landed
|
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| Feb 24 | SMF | SFO | 17:08 | 17:47 |
Landed
|
Track > |
| Feb 23 | SMF | SFO | 08:45 | 17:50 |
Unknown
|
Track > |
| Feb 20 | SMF | SFO | 16:59 | 17:33 |
Landed
|
Track > |
United Airlines Flight UA5840 connects Sacramento, United States to San Francisco, United States, taking off from Sacramento International Airport SMF and landing at San Francisco International Airport SFO.
How long is the UA5840 flight from Sacramento to San Francisco?
The average flight time from Sacramento to San Francisco is 33 minutes. The flight distance is 138 km / 86 miles and the average flight speed is 220 km/h / 137 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA5840 Sacramento to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA5840 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA5840 arriving at?
Flight UA5840 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA5840 flight?
The latest flight took off on Thursday, March 5th, 2026 with the flight status being Landed on 17:25.
How else can the flight UA5840 be referenced as?
This United Airlines flight can also be referenced as UAL5840, UA 5840, UAL 5840.
How often is flight UA5840 delayed?
On average, 10% of all UA5840 flights are delayed. The average delay is 3 minutes.
Can I get compensation for my delayed or cancelled UA5840 flight or baggage issues?
If your UA5840 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 UA5840 Flight Tracker above for more details.
Flight UA5840 is code-shared by 3 airlines using the flight numbers AC4531, LH9221, VA8269
Other flights departing from Sacramento SMF: WN2845, WN1107, WN249, WN2348
Other flights arriving at San Francisco SFO: UA2332, AS3393, WN2428, UA5563
All flights connecting Sacramento SMF to San Francisco SFO.
