WN 4574 Seattle to Dallas Flight Status

Southwest Airlines Flight WN4574 from Seattle Tacoma International Airport SEA to Dallas Love Field Airport DAL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 2nd, 2025.
Check the table below for WN4574's most recent flight history:

WN 4574 Flight Status & Schedule

Date Departure Arrival Status
Aug 02 06:28 11:47
Landed
Track >
Jul 26 06:27 11:56
Landed
Track >
Jul 19 06:34 11:51
Landed
Track >
Jul 12 09:03 14:35
Landed Late
Track >
Jul 05 07:27 12:46
Landed Late
Track >

Southwest Airlines WN 4574 Seattle to Dallas Flight Information

Southwest Airlines Flight WN4574 connects Seattle, United States to Dallas, United States, taking off from Seattle Tacoma International Airport SEA and landing at Dallas Love Field Airport DAL.

How long is the WN4574 flight from Seattle to Dallas?

The average flight time from Seattle to Dallas is 3 hours and 22 minutes. The flight distance is 2684 km / 1668 miles and the average flight speed is 795 km/h / 494 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4574 Seattle to Dallas?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4574 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4574 arriving at?

Flight WN4574 arrives at Dallas Love Field Airport (DAL) Terminal 1.

When was the latest WN4574 flight?

The latest flight took off on Saturday, August 2nd, 2025 with the flight status being Landed on 11:47.

How else can the flight WN4574 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4574, WN 4574, SWA 4574.

How often is flight WN4574 delayed?

On average, 33% of all WN4574 flights are delayed. The average delay is 68 minutes.

Can I get compensation for my delayed or cancelled WN4574 flight or baggage issues?

If your WN4574 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 WN4574 Flight Tracker above for more details.

WN4574 and Seattle SEA to Dallas DAL Flights

Other flights departing from Seattle SEA: WN2903, WN258, AA4995, WN3893

Other flights arriving at Dallas DAL: WN336, WN1745, WN2062, WN1978

All flights connecting Seattle SEA to Dallas DAL.

WN4574 Southwest Airlines Flight: Seattle to Dallas Route Map

WN4574 Southwest Airlines Flight Map: Seattle to Dallas
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.