WN 3945 New York to St. Louis Flight Status

Southwest Airlines Flight WN3945 from New York LaGuardia Airport LGA to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 3rd, 2025.
Check the table below for WN3945's most recent flight history:

WN 3945 Flight Status & Schedule

Date Departure Arrival Status
Aug 03 10:19 11:24
Landed
Track >
Aug 02 13:21 14:28
Landed
Track >
Jul 27 10:42 11:48
Landed
Track >
Jul 26 13:51 14:59
Landed Late
Track >
Jul 20 10:04 11:12
Landed
Track >

Southwest Airlines WN 3945 New York to St. Louis Flight Information

Southwest Airlines Flight WN3945 connects New York, United States to St. Louis, United States, taking off from New York LaGuardia Airport LGA and landing at St. Louis Lambert International Airport STL.

How long is the WN3945 flight from New York to St. Louis?

The average flight time from New York to St. Louis is 2 hours and 5 minutes. The flight distance is 1426 km / 886 miles and the average flight speed is 683 km/h / 425 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3945 New York to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3945 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3945 arriving at?

Flight WN3945 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN3945 flight?

The latest flight took off on Sunday, August 3rd, 2025 with the flight status being Landed on 11:24.

How else can the flight WN3945 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3945, WN 3945, SWA 3945.

How often is flight WN3945 delayed?

On average, 40% of all WN3945 flights are delayed. The average delay is 14 minutes.

Can I get compensation for my delayed or cancelled WN3945 flight or baggage issues?

If your WN3945 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 WN3945 Flight Tracker above for more details.

WN3945 and New York LGA to St. Louis STL Flights

Other flights departing from New York LGA: AA327, NK1177, WN3519, NK1892

Other flights arriving at St. Louis STL: WN2227, WN1429, WN2446, WN715

All flights connecting New York LGA to St. Louis STL.

WN3945 Southwest Airlines Flight: New York to St. Louis Route Map

WN3945 Southwest Airlines Flight Map: New York 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.