WN 3456 New York to St. Louis Flight Status

Southwest Airlines Flight WN3456 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 January 3rd, 2026.
Check the table below for WN3456's most recent flight history:

WN 3456 Flight Status & Schedule

Date Departure Arrival Status
Jan 03 12:13 13:20
Landed
Track >
Dec 27 13:20 14:38
Landed Late
Track >
Dec 20 13:04 14:33
Landed Late
Track >
Dec 13 15:07 16:46
Landed
Track >
Dec 06 15:02 16:27
Landed
Track >

Southwest Airlines WN 3456 New York to St. Louis Flight Information

Southwest Airlines Flight WN3456 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 WN3456 flight from New York to St. Louis?

The average flight time from New York to St. Louis is 2 hours and 19 minutes. The flight distance is 1426 km / 886 miles and the average flight speed is 617 km/h / 383 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3456 New York to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3456 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3456 arriving at?

Flight WN3456 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN3456 flight?

The latest flight took off on Saturday, January 3rd, 2026 with the flight status being Landed on 13:20.

How else can the flight WN3456 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3456, WN 3456, SWA 3456.

How often is flight WN3456 delayed?

On average, 67% of all WN3456 flights are delayed. The average delay is 45 minutes.

Can I get compensation for my delayed or cancelled WN3456 flight or baggage issues?

If your WN3456 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 WN3456 Flight Tracker above for more details.

WN3456 and New York LGA to St. Louis STL Flights

Other flights departing from New York LGA: UA4418, DL5602, NK1270, DL652

Other flights arriving at St. Louis STL: WN4204, WN366, WN2398, WN439

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

WN3456 Southwest Airlines Flight: New York to St. Louis Route Map

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.