WN 431 Portland to Baltimore Flight Status

Southwest Airlines Flight WN431 from Portland International Jetport PWM to Baltimore Washington International Airport BWI is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 6th, 2026.
Check the table below for WN431's most recent flight history:

WN 431 Flight Status & Schedule

Date Departure Arrival Status
Apr 06 17:34 18:59
Landed
Track >
Apr 05 17:41 19:02
Landed
Track >
Apr 04 17:22 18:36
Landed
Track >
Apr 03 17:36 19:00
Landed
Track >
Apr 02 17:32 18:55
Landed
Track >

Southwest Airlines WN 431 Portland to Baltimore Flight Information

Southwest Airlines Flight WN431 connects Portland, United States to Baltimore, United States, taking off from Portland International Jetport PWM and landing at Baltimore Washington International Airport BWI.

How long is the WN431 flight from Portland to Baltimore?

The average flight time from Portland to Baltimore is 1 hour and 21 minutes. The flight distance is 726 km / 451 miles and the average flight speed is 538 km/h / 334 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN431 Portland to Baltimore?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN431 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN431 arriving at?

Flight WN431 arrives at Baltimore Washington International Airport (BWI) Terminal 1.

When was the latest WN431 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 18:59.

How else can the flight WN431 be referenced as?

This Southwest Airlines flight can also be referenced as SWA431, WN0431, WN 431, SWA 431.

How often is flight WN431 delayed?

On average, 10% of all WN431 flights are delayed. The average delay is 13 minutes.

Can I get compensation for my delayed or cancelled WN431 flight or baggage issues?

If your WN431 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 WN431 Flight Tracker above for more details.

WN431 and Portland PWM to Baltimore BWI Flights

Other flights departing from Portland PWM: DL3702, AA5428, DL5784, AA5820

Other flights arriving at Baltimore BWI: WN2767, F9142, WN1514, WN4026

All flights connecting Portland PWM to Baltimore BWI.

WN431 Southwest Airlines Flight: Portland to Baltimore 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.