WN 1343 St. Louis to San Antonio Flight Status

Southwest Airlines Flight WN1343 from St. Louis Lambert International Airport STL to San Antonio International Airport SAT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 28th, 2025.
Check the table below for WN1343's most recent flight history:

WN 1343 Flight Status & Schedule

Date Departure Arrival Status
Sep 28 21:17 23:03
Landed
Track >
Sep 21 21:15 23:01
Landed
Track >
Sep 14 21:35 23:21
Landed Late
Track >
Aug 24 21:42 23:26
Delayed
Track >
Aug 17 20:55 23:00
Cancelled
Track >
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Southwest Airlines WN 1343 St. Louis to San Antonio Flight Information

Southwest Airlines Flight WN1343 connects St. Louis, United States to San Antonio, United States, taking off from St. Louis Lambert International Airport STL and landing at San Antonio International Airport SAT.

How long is the WN1343 flight from St. Louis to San Antonio?

The average flight time from St. Louis to San Antonio is 1 hour and 44 minutes. The flight distance is 1266 km / 787 miles and the average flight speed is 705 km/h / 438 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1343 St. Louis to San Antonio?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1343 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN1343 arriving at?

Flight WN1343 arrives at San Antonio International Airport (SAT) Terminal A.

When was the latest WN1343 flight?

The latest flight took off on Monday, September 29th, 2025 with the flight status being Landed on 23:03.

How else can the flight WN1343 be referenced as?

This Southwest Airlines flight can also be referenced as SWA1343, WN 1343, SWA 1343.

How often is flight WN1343 delayed?

On average, 83% of all WN1343 flights are delayed. The average delay is 22 minutes.

Can I get compensation for my delayed or cancelled WN1343 flight or baggage issues?

If your WN1343 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 WN1343 Flight Tracker above for more details.

WN1343 and St. Louis STL to San Antonio SAT Flights

Other flights departing from St. Louis STL: WN1439, WN2233, WN2115, WN4589

Other flights arriving at San Antonio SAT: WN2226, WN2538, WN1469, WN3698

All flights connecting St. Louis STL to San Antonio SAT.

WN1343 Southwest Airlines Flight: St. Louis to San Antonio Route Map

WN1343 Southwest Airlines Flight Map: St. Louis to San Antonio
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.