WN 4122 San Diego to Seattle Flight Status

Southwest Airlines Flight WN4122 from San Diego International Airport SAN to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 6th, 2026.
Check the table below for WN4122's most recent flight history:

WN 4122 Flight Status & Schedule

Date Departure Arrival Status
Mar 06 11:16 14:17
Landed Late
Track >
Mar 05 11:33 14:13
Landed
Track >

Southwest Airlines WN 4122 San Diego to Seattle Flight Information

Southwest Airlines Flight WN4122 connects San Diego, United States to Seattle, United States, taking off from San Diego International Airport SAN and landing at Seattle Tacoma International Airport SEA.

How long is the WN4122 flight from San Diego to Seattle?

The average flight time from San Diego to Seattle is 2 hours and 50 minutes. The flight distance is 1692 km / 1051 miles and the average flight speed is 598 km/h / 371 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4122 San Diego to Seattle?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4122 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4122 flight?

The latest flight took off on Friday, March 6th, 2026 with the flight status being Landed on 14:17.

How else can the flight WN4122 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4122, WN 4122, SWA 4122.

How often is flight WN4122 delayed?

On average, 100% of all WN4122 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled WN4122 flight or baggage issues?

If your WN4122 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 WN4122 Flight Tracker above for more details.

WN4122 and San Diego SAN to Seattle SEA Flights

Other flights departing from San Diego SAN: AA3121, AS370, WN772, DL827

Other flights arriving at Seattle SEA: AA3291, DL2017, DL4120, AS3220

All flights connecting San Diego SAN to Seattle SEA.

WN4122 Southwest Airlines Flight: San Diego to Seattle Route Map

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.