WN 3940 Portland to Oakland Flight Status

Southwest Airlines Flight WN3940 from Portland International Airport PDX to Oakland International Airport OAK is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 2nd, 2025.
Check the table below for WN3940's most recent flight history:

WN 3940 Flight Status & Schedule

Date Departure Arrival Status
Jun 02 18:08 19:23
Landed
Track >
Jun 01 23:06 00:37
Landed Late
Track >

Southwest Airlines WN 3940 Portland to Oakland Flight Information

Southwest Airlines Flight WN3940 connects Portland, United States to Oakland, United States, taking off from Portland International Airport PDX and landing at Oakland International Airport OAK.

How long is the WN3940 flight from Portland to Oakland?

The average flight time from Portland to Oakland is 1 hour and 23 minutes. The flight distance is 875 km / 544 miles and the average flight speed is 639 km/h / 397 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3940 Portland to Oakland?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3940 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3940 arriving at?

Flight WN3940 arrives at Oakland International Airport (OAK) Terminal 1.

When was the latest WN3940 flight?

The latest flight took off on Tuesday, June 3rd, 2025 with the flight status being Landed on 19:23.

How else can the flight WN3940 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3940, WN 3940, SWA 3940.

How often is flight WN3940 delayed?

On average, 50% of all WN3940 flights are delayed. The average delay is 62 minutes.

Can I get compensation for my delayed or cancelled WN3940 flight or baggage issues?

If your WN3940 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 WN3940 Flight Tracker above for more details.

WN3940 and Portland PDX to Oakland OAK Flights

Other flights departing from Portland PDX: AS531, AS346, AS340, G41603

Other flights arriving at Oakland OAK: WN2724, WN3617, WN2929, WN3307

All flights connecting Portland PDX to Oakland OAK.

WN3940 Southwest Airlines Flight: Portland to Oakland Route Map

WN3940 Southwest Airlines Flight Map: Portland to Oakland
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.