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WN4521 Flight Status Southwest Airlines: San Jose to Los Angeles (SWA4521)

WN 4521 San Jose to Los Angeles Flight Status

Southwest Airlines Flight WN4521 from San Jose International Airport SJC to Los Angeles International Airport LAX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 1st, 2026.
Check the table below for WN4521's most recent flight history:

WN 4521 Flight Status & Schedule

Date Departure Arrival Status
Mar 01 06:52 07:43
Landed
 Track >
Feb 27 06:54 07:47
Landed
 Track >
Feb 26 06:53 07:41
Landed
 Track >
< All SJC Departures All LAX Arrivals >

Southwest Airlines WN 4521 San Jose to Los Angeles Flight Information

Southwest Airlines Flight WN4521 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 WN4521 flight from San Jose to Los Angeles?

The average flight time from San Jose to Los Angeles is 50 minutes. The flight distance is 496 km / 308 miles and the average flight speed is 588 km/h / 365 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4521 San Jose to Los Angeles?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4521 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4521 arriving at?

Flight WN4521 arrives at Los Angeles International Airport (LAX) Terminal 1.

When was the latest WN4521 flight?

The latest flight took off on Sunday, March 1st, 2026 with the flight status being Landed on 07:43.

How else can the flight WN4521 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4521, WN 4521, SWA 4521.

How often is flight WN4521 delayed?

On average, 0% of all WN4521 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4521 flight or baggage issues?

If your WN4521 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 WN4521 Flight Tracker above for more details.

WN4521 and San Jose SJC to Los Angeles LAX Flights

Other flights departing from San Jose SJC: WN4045, WN3546, WN704, WN547

Other flights arriving at Los Angeles LAX: AA999, WN771, DL2048, UA1621

All flights connecting San Jose SJC to Los Angeles LAX.

WN4521 Southwest Airlines Flight: San Jose to Los Angeles Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: MS6110 XN1942 WN5068 VF3050 AA148 SU2128 LO7168 IO209 JT3251 JT3253
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.