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WN 4509 Austin to St. Louis Flight Status

Southwest Airlines Flight WN4509 from Austin Bergstrom International Airport AUS to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on June 1st, 2025.
Check the table below for WN4509's most recent flight history:

WN 4509 Flight Status & Schedule

Date Departure Arrival Status
Jun 01 05:23 07:05
Landed
Track >

Southwest Airlines WN 4509 Austin to St. Louis Flight Information

Southwest Airlines Flight WN4509 connects Austin, United States to St. Louis, United States, taking off from Austin Bergstrom International Airport AUS and landing at St. Louis Lambert International Airport STL.

How long is the WN4509 flight from Austin to St. Louis?

The average flight time from Austin to St. Louis is 1 hour and 42 minutes. The flight distance is 1162 km / 722 miles and the average flight speed is 684 km/h / 425 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4509 Austin to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4509 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4509 flight?

The latest flight took off on Sunday, June 1st, 2025 with the flight status being Landed on 07:05.

How else can the flight WN4509 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4509, WN 4509, SWA 4509.

How often is flight WN4509 delayed?

On average, 0% of all WN4509 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4509 flight or baggage issues?

If your WN4509 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 WN4509 Flight Tracker above for more details.

WN4509 and Austin AUS to St. Louis STL Flights

Other flights departing from Austin AUS: WN910, WN2072, WN1275

Other flights arriving at St. Louis STL: WN3202, WN3488, WN549, WN1045

All flights connecting Austin AUS to St. Louis STL.

WN4509 Southwest Airlines Flight: Austin to St. Louis Route Map

WN4509 Southwest Airlines Flight Map: Austin to St. Louis
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.