| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 03 | SJC | LAX | 21:47 | 20:20 |
Unknown
|
Track > |
| Dec 27 | SJC | LAX | 19:16 | 20:10 |
Landed
|
Track > |
| Dec 20 | SJC | LAX | 19:28 | 20:18 |
Landed
|
Track > |
| Nov 29 | SJC | LAX | 19:35 | 20:29 |
Landed
|
Track > |
| Nov 22 | SJC | LAX | 19:10 | 20:00 |
Landed
|
Track > |
Southwest Airlines Flight WN3421 connects San Jose, United States to Los Angeles, United States, taking off from San Jose International Airport SJC and landing at Los Angeles International Airport LAX.
How long is the WN3421 flight from San Jose to Los Angeles?
The average flight time from San Jose to Los Angeles is 52 minutes. The flight distance is 496 km / 308 miles and the average flight speed is 533 km/h / 331 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3421 San Jose to Los Angeles?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3421 arriving at?
Flight WN3421 arrives at Los Angeles International Airport (LAX) Terminal 1.
When was the latest WN3421 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being Unknown on 20:20.
How else can the flight WN3421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3421, WN 3421, SWA 3421.
How often is flight WN3421 delayed?
On average, 20% of all WN3421 flights are delayed. The average delay is 9 minutes.
Can I get compensation for my delayed or cancelled WN3421 flight or baggage issues?
If your WN3421 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 WN3421 Flight Tracker above for more details.
Other flights departing from San Jose SJC: DL3840, DL4544, WN1387, AA3529
Other flights arriving at Los Angeles LAX: UA299, AA3246, WN1581, OO278
All flights connecting San Jose SJC to Los Angeles LAX.