| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Dec 17 | LAS | SFO | 13:46 | 11:49 |
Unknown
|
Track > |
| Dec 16 | LAS | SFO | 10:53 | 12:03 |
Landed
|
Track > |
| Dec 15 | LAS | SFO | 10:56 | 12:04 |
Landed Late
|
Track > |
| Dec 14 | LAS | SFO | 10:20 | 11:28 |
Landed
|
Track > |
| Dec 13 | LAS | SFO | 10:13 | 11:16 |
Landed
|
Track > |
| Dec 12 | LAS | SFO | 10:27 | 11:33 |
Landed
|
Track > |
| Dec 11 | LAS | SFO | 10:22 | 11:27 |
Landed
|
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| Dec 10 | LAS | SFO | 10:20 | 11:32 |
Landed
|
Track > |
| Dec 09 | LAS | SFO | 10:44 | 11:52 |
Landed
|
Track > |
| Dec 08 | LAS | SFO | 10:38 | 11:49 |
Landed
|
Track > |
United Airlines Flight UA2421 connects Las Vegas, United States to San Francisco, United States, taking off from Las Vegas McCarran International Airport LAS and landing at San Francisco International Airport SFO.
How long is the UA2421 flight from Las Vegas to San Francisco?
The average flight time from Las Vegas to San Francisco is 1 hour and 7 minutes. The flight distance is 665 km / 413 miles and the average flight speed is 568 km/h / 353 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA2421 Las Vegas to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA2421 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA2421 arriving at?
Flight UA2421 arrives at San Francisco International Airport (SFO) Terminal 3.
When was the latest UA2421 flight?
The latest flight took off on Wednesday, December 17th, 2025 with the flight status being Unknown on 11:49.
How else can the flight UA2421 be referenced as?
This United Airlines flight can also be referenced as UAL2421, UA 2421, UAL 2421.
How often is flight UA2421 delayed?
On average, 30% of all UA2421 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled UA2421 flight or baggage issues?
If your UA2421 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 UA2421 Flight Tracker above for more details.
Flight UA2421 is code-shared by 4 airlines using the flight numbers AC5404, LH9415, NZ9240, VA8124
Other flights departing from Las Vegas LAS: WN963, WN548, WN590, UA2396
Other flights arriving at San Francisco SFO: UA1581, UA1329, UA2855, WN1768
All flights connecting Las Vegas LAS to San Francisco SFO.