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WN8503 Flight Status Southwest Airlines: Seattle to Phoenix (SWA8503)

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WN 8503 Seattle to Phoenix Flight Status

Southwest Airlines Flight WN8503 from Seattle Boeing Field BFI to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on March 17th, 2026.
Check the table below for WN8503's most recent flight history:

WN 8503 Flight Status & Schedule

Date Departure Arrival Status
Mar 17 11:00 13:13
Landed Late
 Track >
Feb 27 13:34 13:33
Unknown
 Track >
< All BFI Departures All PHX Arrivals >

Southwest Airlines WN 8503 Seattle to Phoenix Flight Information

Southwest Airlines Flight WN8503 connects Seattle, United States to Phoenix, United States, taking off from Seattle Boeing Field BFI and landing at Phoenix Sky Harbor International Airport PHX.

How long is the WN8503 flight from Seattle to Phoenix?

The average flight time from Seattle to Phoenix is 2 hours and 13 minutes. The flight distance is 1790 km / 1112 miles and the average flight speed is 755 km/h / 469 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN8503 Seattle to Phoenix?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN8503 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN8503 arriving at?

Flight WN8503 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest WN8503 flight?

The latest flight took off on Tuesday, March 17th, 2026 with the flight status being Landed on 13:13.

How else can the flight WN8503 be referenced as?

This Southwest Airlines flight can also be referenced as SWA8503, WN 8503, SWA 8503.

How often is flight WN8503 delayed?

On average, 50% of all WN8503 flights are delayed. The average delay is 28 minutes.

Can I get compensation for my delayed or cancelled WN8503 flight or baggage issues?

If your WN8503 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 WN8503 Flight Tracker above for more details.

WN8503 and Seattle BFI to Phoenix PHX Flights

Other flights departing from Seattle BFI: M575, X3915, M55050, M55050

Other flights arriving at Phoenix PHX: WN4701, WN1270, WN2766, OO6435

All flights connecting Seattle BFI to Phoenix PHX.

WN8503 Southwest Airlines Flight: Seattle to Phoenix Route Map

WN8503 Southwest Airlines Flight Map: Seattle to Phoenix
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.