WN 123 Los Angeles to St. Louis Flight Status

Southwest Airlines Flight WN123 from Los Angeles International Airport LAX 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 4th, 2025.
Check the table below for WN123's most recent flight history:

WN 123 Flight Status & Schedule

Date Departure Arrival Status
Jun 04 16:10 21:19
Landed
Track >
Jun 03 16:28 22:11
Landed Late
Track >
Jun 02 05:12 10:23
Landed
Track >

Southwest Airlines WN 123 Los Angeles to St. Louis Flight Information

Southwest Airlines Flight WN123 connects Los Angeles, United States to St. Louis, United States, taking off from Los Angeles International Airport LAX and landing at St. Louis Lambert International Airport STL.

How long is the WN123 flight from Los Angeles to St. Louis?

The average flight time from Los Angeles to St. Louis is 3 hours and 21 minutes. The flight distance is 2557 km / 1589 miles and the average flight speed is 768 km/h / 477 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN123 Los Angeles to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN123 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN123 flight?

The latest flight took off on Thursday, June 5th, 2025 with the flight status being Landed on 21:19.

How else can the flight WN123 be referenced as?

This Southwest Airlines flight can also be referenced as SWA123, WN0123, WN 123, SWA 123.

How often is flight WN123 delayed?

On average, 33% of all WN123 flights are delayed. The average delay is 36 minutes.

Can I get compensation for my delayed or cancelled WN123 flight or baggage issues?

If your WN123 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 WN123 Flight Tracker above for more details.

WN123 and Los Angeles LAX to St. Louis STL Flights

Other flights departing from Los Angeles LAX: G4789, WN1206, AS2181, WN3126

Other flights arriving at St. Louis STL: WN4353, AA1007, WN754, WN4436

All flights connecting Los Angeles LAX to St. Louis STL.

WN123 Southwest Airlines Flight: Los Angeles to St. Louis Route Map

WN123 Southwest Airlines Flight Map: Los Angeles 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.