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WN4643 Flight Status Southwest Airlines: Houston to St. Louis (SWA4643)

WN 4643 Houston to St. Louis Flight Status

Southwest Airlines Flight WN4643 from Houston William P. Hobby Airport HOU to St. Louis Lambert International Airport STL is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on January 3rd, 2026.
Check the table below for WN4643's most recent flight history:

WN 4643 Flight Status & Schedule

Date Departure Arrival Status
Jan 03 10:41 12:18
Landed
 Track >
Dec 27 10:51 12:32
Landed
 Track >
Dec 20 11:03 12:35
Landed
 Track >
Nov 29 11:51 13:26
Delayed
 Track >
Nov 22 10:44 12:17
Landed
 Track >
< All HOU Departures All STL Arrivals >

Southwest Airlines WN 4643 Houston to St. Louis Flight Information

Southwest Airlines Flight WN4643 connects Houston, United States to St. Louis, United States, taking off from Houston William P. Hobby Airport HOU and landing at St. Louis Lambert International Airport STL.

How long is the WN4643 flight from Houston to St. Louis?

The average flight time from Houston to St. Louis is 1 hour and 35 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 696 km/h / 433 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4643 Houston to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4643 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4643 arriving at?

Flight WN4643 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN4643 flight?

The latest flight took off on Saturday, January 3rd, 2026 with the flight status being Landed on 12:18.

How else can the flight WN4643 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4643, WN 4643, SWA 4643.

How often is flight WN4643 delayed?

On average, 60% of all WN4643 flights are delayed. The average delay is 21 minutes.

Can I get compensation for my delayed or cancelled WN4643 flight or baggage issues?

If your WN4643 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 WN4643 Flight Tracker above for more details.

WN4643 and Houston HOU to St. Louis STL Flights

Other flights departing from Houston HOU: WN3845, JL218, G41588, WN434

Other flights arriving at St. Louis STL: WN2782, WN1588, WN2675, WN1890

All flights connecting Houston HOU to St. Louis STL.

WN4643 Southwest Airlines Flight: Houston to St. Louis Route Map

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.