/ Flights / Southwest Airlines / WN4123

WN4123 Flight Status Southwest Airlines: St. Louis to Houston (SWA4123)

Are you looking for the June 4th, 2026 WN 4123 San Antonio to Phoenix flight? Click here to go to our WN4123 San Antonio to Phoenix Flight Status page >

WN 4123 St. Louis to Houston Flight Status

Southwest Airlines Flight WN4123 from St. Louis Lambert International Airport STL to Houston William P. Hobby Airport HOU is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 1st, 2026.
Check the table below for WN4123's most recent flight history:

WN 4123 Flight Status & Schedule

Date Departure Arrival Status
Jan 01 17:36 19:15
Landed
 Track >
Dec 25 17:16 18:56
Landed
 Track >
< All STL Departures All HOU Arrivals >

Southwest Airlines WN 4123 St. Louis to Houston Flight Information

Southwest Airlines Flight WN4123 connects St. Louis, United States to Houston, United States, taking off from St. Louis Lambert International Airport STL and landing at Houston William P. Hobby Airport HOU.

How long is the WN4123 flight from St. Louis to Houston?

The average flight time from St. Louis to Houston is 1 hour and 39 minutes. The flight distance is 1108 km / 688 miles and the average flight speed is 668 km/h / 415 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4123 St. Louis to Houston?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4123 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4123 arriving at?

Flight WN4123 arrives at Houston William P. Hobby Airport (HOU) Terminal 2.

When was the latest WN4123 flight?

The latest flight took off on Friday, January 2nd, 2026 with the flight status being Landed on 19:15.

How else can the flight WN4123 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4123, WN 4123, SWA 4123.

How often is flight WN4123 delayed?

On average, 0% of all WN4123 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4123 flight or baggage issues?

If your WN4123 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 WN4123 Flight Tracker above for more details.

WN4123 and St. Louis STL to Houston HOU Flights

Other flights departing from St. Louis STL: UA4526, WN1838, WN2804, WN1871

Other flights arriving at Houston HOU: WN2169, WN2777, WN2943, WN4178

All flights connecting St. Louis STL to Houston HOU.

WN4123 Southwest Airlines Flight: St. Louis to Houston Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: VJ3025 AT2165 5Y8817 R51400 N84871 9K2052 MX9751 TF9803 7L1737 A84222
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.