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WN3421 Flight Status Southwest Airlines: Portland to San Jose (SWA3421)

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WN 3421 Portland to San Jose Flight Status

Southwest Airlines Flight WN3421 from Portland International Airport PDX to San Jose International Airport SJC is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 3rd, 2026.
Check the table below for WN3421's most recent flight history:

WN 3421 Flight Status & Schedule

Date Departure Arrival Status
Jan 03 16:38 18:10
Landed
 Track >
Dec 27 16:57 18:19
Landed
 Track >
Dec 20 16:58 18:27
Landed
 Track >
Nov 29 16:57 18:18
Landed
 Track >
Nov 22 16:46 18:09
Landed
 Track >
< All PDX Departures All SJC Arrivals >

Southwest Airlines WN 3421 Portland to San Jose Flight Information

Southwest Airlines Flight WN3421 connects Portland, United States to San Jose, United States, taking off from Portland International Airport PDX and landing at San Jose International Airport SJC.

How long is the WN3421 flight from Portland to San Jose?

The average flight time from Portland to San Jose is 1 hour and 25 minutes. The flight distance is 916 km / 569 miles and the average flight speed is 645 km/h / 401 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3421 Portland to San Jose?

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 San Jose International Airport (SJC) Terminal B.

When was the latest WN3421 flight?

The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 18:10.

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 2 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.

WN3421 and Portland PDX to San Jose SJC Flights

Other flights departing from Portland PDX: UA5585, AS578, WN519, DL4065

Other flights arriving at San Jose SJC: AS3095, WN4454, WN302, AS3309

All flights connecting Portland PDX to San Jose SJC.

WN3421 Southwest Airlines Flight: Portland to San Jose Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: VF6335 FJ1151 WN4993 F37066 F37308 S43246 PF7793 F37024 WT460 VJ3025
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.