WN 3427 Sacramento to Seattle Flight Status

Southwest Airlines Flight WN3427 from Sacramento International Airport SMF to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for WN3427's most recent flight history:

WN 3427 Flight Status & Schedule

Date Departure Arrival Status
May 31 12:56 14:20
Landed
Track >
May 24 16:04 17:33
Landed Late
Track >
May 17 12:56 14:40
Landed
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May 10 12:59 14:24
Landed
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May 03 12:40 14:48
Unknown
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Southwest Airlines WN 3427 Sacramento to Seattle Flight Information

Southwest Airlines Flight WN3427 connects Sacramento, United States to Seattle, United States, taking off from Sacramento International Airport SMF and landing at Seattle Tacoma International Airport SEA.

How long is the WN3427 flight from Sacramento to Seattle?

The average flight time from Sacramento to Seattle is 1 hour and 34 minutes. The flight distance is 975 km / 606 miles and the average flight speed is 630 km/h / 392 mph.

How many WN3427 flights are operated per week?

1 flight per week. The flight WN3427 is operated on Sunday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3427 Sacramento to Seattle?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3427 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3427 flight?

The latest flight took off on Sunday, May 31st, 2026 with the flight status being Landed on 14:20.

How else can the flight WN3427 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3427, WN 3427, SWA 3427.

How often is flight WN3427 delayed?

On average, 25% of all WN3427 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled WN3427 flight or baggage issues?

If your WN3427 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 WN3427 Flight Tracker above for more details.

WN3427 and Sacramento SMF to Seattle SEA Flights

Other flights departing from Sacramento SMF: DL904, AS1365, DL4125, AA2630

Other flights arriving at Seattle SEA: WN2595, AA3440, AS3405, AS1365

All flights connecting Sacramento SMF to Seattle SEA.

WN3427 Southwest Airlines Flight: Sacramento 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.