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WN3143 Flight Status Southwest Airlines: Fort Myers to Buffalo (SWA3143)

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WN 3143 Fort Myers to Buffalo Flight Status

Southwest Airlines Flight WN3143 from Southwest Florida International Airport RSW to Buffalo Niagara International Airport BUF is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on February 28th, 2026.
Check the table below for WN3143's most recent flight history:

WN 3143 Flight Status & Schedule

Date Departure Arrival Status
Feb 28 17:13 19:44
Delayed
 Track >
Feb 21 16:50 19:13
Landed Late
 Track >
Feb 14 16:06 18:50
Landed
 Track >
< All RSW Departures All BUF Arrivals >

Southwest Airlines WN 3143 Fort Myers to Buffalo Flight Information

Southwest Airlines Flight WN3143 connects Fort Myers, United States to Buffalo, United States, taking off from Southwest Florida International Airport RSW and landing at Buffalo Niagara International Airport BUF.

How long is the WN3143 flight from Fort Myers to Buffalo?

The average flight time from Fort Myers to Buffalo is 2 hours and 32 minutes. The flight distance is 1844 km / 1146 miles and the average flight speed is 727 km/h / 452 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3143 Fort Myers to Buffalo?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3143 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3143 arriving at?

Flight WN3143 arrives at Buffalo Niagara International Airport (BUF) Terminal C.

When was the latest WN3143 flight?

The latest flight took off on Saturday, February 28th, 2026 with the flight status being En-Route on 19:44.

How else can the flight WN3143 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3143, WN 3143, SWA 3143.

How often is flight WN3143 delayed?

On average, 67% of all WN3143 flights are delayed. The average delay is 38 minutes.

Can I get compensation for my delayed or cancelled WN3143 flight or baggage issues?

If your WN3143 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 WN3143 Flight Tracker above for more details.

WN3143 and Fort Myers RSW to Buffalo BUF Flights

Other flights departing from Fort Myers RSW: DL2226, WN4971, UA1417, WN4841

Other flights arriving at Buffalo BUF: AA1580, WN1374, WN2208, UA4383

All flights connecting Fort Myers RSW to Buffalo BUF.

WN3143 Southwest Airlines Flight: Fort Myers to Buffalo Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: 4Y806 CG2645 IR3423 DX9173 RX2 FR5399 MW6447 MW6446 5F253 3T2808
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.