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WN 420 Portland to Baltimore Flight Status

Southwest Airlines Flight WN420 from Portland International Jetport PWM to Baltimore Washington International Airport BWI is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 30th, 2025.
Check the table below for WN420's most recent flight history:

WN 420 Flight Status & Schedule

Date Departure Arrival Status
Oct 30 17:25 18:54
Landed
Track >
Oct 27 17:28 18:50
Landed
Track >
Oct 24 18:52 20:06
Delayed
Track >
Oct 23 17:25 18:46
Landed
Track >
Oct 20 17:26 18:48
Landed
Track >

Southwest Airlines WN 420 Portland to Baltimore Flight Information

Southwest Airlines Flight WN420 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 WN420 flight from Portland to Baltimore?

The average flight time from Portland to Baltimore is 1 hour and 18 minutes. The flight distance is 726 km / 451 miles and the average flight speed is 562 km/h / 349 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN420 Portland to Baltimore?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN420 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN420 flight?

The latest flight took off on Thursday, October 30th, 2025 with the flight status being Landed on 18:54.

How else can the flight WN420 be referenced as?

This Southwest Airlines flight can also be referenced as SWA420, WN0420, WN 420, SWA 420.

How often is flight WN420 delayed?

On average, 60% of all WN420 flights are delayed. The average delay is 23 minutes.

Can I get compensation for my delayed or cancelled WN420 flight or baggage issues?

If your WN420 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 WN420 Flight Tracker above for more details.

WN420 and Portland PWM to Baltimore BWI Flights

Other flights departing from Portland PWM: AA1369, AA2158, AA3190, WN1954

Other flights arriving at Baltimore BWI: WN917, WN1744, WN1911, SY3029

All flights connecting Portland PWM to Baltimore BWI.

WN420 Southwest Airlines Flight: Portland to Baltimore Route Map

WN420 Southwest Airlines Flight Map: Portland to Baltimore
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.