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WN577 Flight Status Southwest Airlines: St. Louis to Phoenix (SWA577)

WN 577 St. Louis to Phoenix Flight Status

Southwest Airlines Flight WN577 from St. Louis Lambert International Airport STL to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on June 4th, 2025.
Check the table below for WN577's most recent flight history:

WN 577 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 14:44 15:46
Landed
 Track >
Jun 03 14:45 15:59
Landed Late
 Track >
Jun 02 09:34 10:32
Landed
 Track >
< All STL Departures All PHX Arrivals >

Southwest Airlines WN 577 St. Louis to Phoenix Flight Information

Southwest Airlines Flight WN577 connects St. Louis, United States to Phoenix, United States, taking off from St. Louis Lambert International Airport STL and landing at Phoenix Sky Harbor International Airport PHX.

How long is the WN577 flight from St. Louis to Phoenix?

The average flight time from St. Louis to Phoenix is 3 hours and 4 minutes. The flight distance is 2027 km / 1259 miles and the average flight speed is 659 km/h / 410 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN577 St. Louis to Phoenix?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN577 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN577 arriving at?

Flight WN577 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest WN577 flight?

The latest flight took off on Wednesday, June 4th, 2025 with the flight status being Landed on 15:46.

How else can the flight WN577 be referenced as?

This Southwest Airlines flight can also be referenced as SWA577, WN0577, WN 577, SWA 577.

How often is flight WN577 delayed?

On average, 100% of all WN577 flights are delayed. The average delay is 14 minutes.

Can I get compensation for my delayed or cancelled WN577 flight or baggage issues?

If your WN577 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 WN577 Flight Tracker above for more details.

WN577 and St. Louis STL to Phoenix PHX Flights

Other flights departing from St. Louis STL: WN993, WN2735, AA6528, AA3822

Other flights arriving at Phoenix PHX: AA3280, AA6528, WN28, AA4137

All flights connecting St. Louis STL to Phoenix PHX.

WN577 Southwest Airlines Flight: St. Louis to Phoenix Route Map

WN577 Southwest Airlines Flight Map: St. Louis 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.