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WN 3873 San Jose to Seattle Flight Status

Southwest Airlines Flight WN3873 from San Jose International Airport SJC to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 4th, 2025.
Check the table below for WN3873's most recent flight history:

WN 3873 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 12:11 13:56
Landed
Track >
Jun 03 11:52 13:41
Landed
Track >

Southwest Airlines WN 3873 San Jose to Seattle Flight Information

Southwest Airlines Flight WN3873 connects San Jose, United States to Seattle, United States, taking off from San Jose International Airport SJC and landing at Seattle Tacoma International Airport SEA.

How long is the WN3873 flight from San Jose to Seattle?

The average flight time from San Jose to Seattle is 1 hour and 47 minutes. The flight distance is 1122 km / 697 miles and the average flight speed is 629 km/h / 391 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3873 San Jose to Seattle?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3873 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3873 flight?

The latest flight took off on Wednesday, June 4th, 2025 with the flight status being Landed on 13:56.

How else can the flight WN3873 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3873, WN 3873, SWA 3873.

How often is flight WN3873 delayed?

On average, 0% of all WN3873 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3873 flight or baggage issues?

If your WN3873 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 WN3873 Flight Tracker above for more details.

WN3873 and San Jose SJC to Seattle SEA Flights

This is a multi leg flight of Southwest Airlines WN3873. Next leg is Seattle to Denver

Other flights departing from San Jose SJC: WN1648, WN3438, WN1964, WN974

Other flights arriving at Seattle SEA: DL1687, AS148, AS3493, DL3666

All flights connecting San Jose SJC to Seattle SEA.

WN3873 Southwest Airlines Flight: San Jose to Seattle Route Map

WN3873 Southwest Airlines Flight Map: San Jose to Seattle
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.