WN 4045 Seattle to Denver Flight Status

Southwest Airlines Flight WN4045 from Seattle Tacoma International Airport SEA to Denver International Airport DEN is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on March 1st, 2026.
Check the table below for WN4045's most recent flight history:

WN 4045 Flight Status & Schedule

Date Departure Arrival Status
Mar 01 09:52 12:55
Landed
Track >
Feb 27 09:55 12:53
Landed
Track >
Feb 26 09:52 12:51
Landed
Track >
Feb 22 09:42 12:45
Landed
Track >
Feb 20 09:49 12:59
Landed
Track >

Southwest Airlines WN 4045 Seattle to Denver Flight Information

Southwest Airlines Flight WN4045 connects Seattle, United States to Denver, United States, taking off from Seattle Tacoma International Airport SEA and landing at Denver International Airport DEN.

How long is the WN4045 flight from Seattle to Denver?

The average flight time from Seattle to Denver is 2 hours and 6 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 784 km/h / 487 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4045 Seattle to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4045 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4045 arriving at?

Flight WN4045 arrives at Denver International Airport (DEN) Terminal N.

When was the latest WN4045 flight?

The latest flight took off on Sunday, March 1st, 2026 with the flight status being Landed on 12:55.

How else can the flight WN4045 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4045, WN 4045, SWA 4045.

How often is flight WN4045 delayed?

On average, 0% of all WN4045 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4045 flight or baggage issues?

If your WN4045 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 WN4045 Flight Tracker above for more details.

WN4045 and Seattle SEA to Denver DEN Flights

Other flights departing from Seattle SEA: WN830, UA1238, AS755, DL4458

Other flights arriving at Denver DEN: WN3021, WN3387, WN2835, WN1879

All flights connecting Seattle SEA to Denver DEN.

WN4045 Southwest Airlines Flight: Seattle to Denver 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.