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WN4040 Flight Status Southwest Airlines: Seattle to Oakland (SWA4040)

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WN 4040 Seattle to Oakland Flight Status

Southwest Airlines Flight WN4040 from Seattle Tacoma International Airport SEA to Oakland International Airport OAK is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 26th, 2025.
Check the table below for WN4040's most recent flight history:

WN 4040 Flight Status & Schedule

Date Departure Arrival Status
Oct 26 16:39 18:20
Landed
 Track >
Oct 19 16:56 18:28
Landed Late
 Track >
Oct 12 16:45 18:20
Landed
 Track >
Oct 05 16:24 17:55
Landed
 Track >
< All SEA Departures All OAK Arrivals >

Southwest Airlines WN 4040 Seattle to Oakland Flight Information

Southwest Airlines Flight WN4040 connects Seattle, United States to Oakland, United States, taking off from Seattle Tacoma International Airport SEA and landing at Oakland International Airport OAK.

How long is the WN4040 flight from Seattle to Oakland?

The average flight time from Seattle to Oakland is 1 hour and 34 minutes. The flight distance is 1082 km / 672 miles and the average flight speed is 686 km/h / 426 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4040 Seattle to Oakland?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4040 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4040 arriving at?

Flight WN4040 arrives at Oakland International Airport (OAK) Terminal 2.

When was the latest WN4040 flight?

The latest flight took off on Monday, October 27th, 2025 with the flight status being Landed on 18:20.

How else can the flight WN4040 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4040, WN 4040, SWA 4040.

How often is flight WN4040 delayed?

On average, 75% of all WN4040 flights are delayed. The average delay is 12 minutes.

Can I get compensation for my delayed or cancelled WN4040 flight or baggage issues?

If your WN4040 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 WN4040 Flight Tracker above for more details.

WN4040 and Seattle SEA to Oakland OAK Flights

Other flights departing from Seattle SEA: AA6438, AA4117, WN2156, 8C3347

Other flights arriving at Oakland OAK: WN1873, WN854, WN990, WN1527

All flights connecting Seattle SEA to Oakland OAK.

WN4040 Southwest Airlines Flight: Seattle to Oakland Route Map

WN4040 Southwest Airlines Flight Map: Seattle to Oakland
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: QN571 CA733 AZ9996 B56406 IR1530 IR1538 AP7203 BT4622 5F8361 3V1480
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.