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WN 4391 Chicago to Seattle Flight Status

Southwest Airlines Flight WN4391 from Chicago Midway International Airport MDW to Seattle Tacoma International Airport SEA is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 4th, 2025.
Check the table below for WN4391's most recent flight history:

WN 4391 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 14:33 16:29
Landed
Track >
Jun 03 14:28 16:30
Landed
Track >

Southwest Airlines WN 4391 Chicago to Seattle Flight Information

Southwest Airlines Flight WN4391 connects Chicago, United States to Seattle, United States, taking off from Chicago Midway International Airport MDW and landing at Seattle Tacoma International Airport SEA.

How long is the WN4391 flight from Chicago to Seattle?

The average flight time from Chicago to Seattle is 3 hours and 59 minutes. The flight distance is 2782 km / 1729 miles and the average flight speed is 699 km/h / 434 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4391 Chicago to Seattle?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4391 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4391 flight?

The latest flight took off on Wednesday, June 4th, 2025 with the flight status being Landed on 16:29.

How else can the flight WN4391 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4391, WN 4391, SWA 4391.

How often is flight WN4391 delayed?

On average, 0% of all WN4391 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4391 flight or baggage issues?

If your WN4391 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 WN4391 Flight Tracker above for more details.

WN4391 and Chicago MDW to Seattle SEA Flights

This is a multi leg flight of Southwest Airlines WN4391. Next leg is Seattle to Oakland

Other flights departing from Chicago MDW: WN1102, WN2359, WN3464, WN346

Other flights arriving at Seattle SEA: AS119, AS1059, AS452, AS3440

All flights connecting Chicago MDW to Seattle SEA.

WN4391 Southwest Airlines Flight: Chicago to Seattle Route Map

WN4391 Southwest Airlines Flight Map: Chicago to Seattle
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.