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WN3121 Flight Status Southwest Airlines: Las Vegas to Phoenix (SWA3121)

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WN 3121 Las Vegas to Phoenix Flight Status

Southwest Airlines Flight WN3121 from Las Vegas McCarran International Airport LAS to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on September 1st, 2025.
Check the table below for WN3121's most recent flight history:

WN 3121 Flight Status & Schedule

Date Departure Arrival Status
Sep 01 20:06 21:00
Landed Late
 Track >
Aug 25 18:56 19:38
En-Route
 Track >
Aug 25 15:15 19:38
Delayed >3h
 Track >
< All LAS Departures All PHX Arrivals >

Southwest Airlines WN 3121 Las Vegas to Phoenix Flight Information

Southwest Airlines Flight WN3121 connects Las Vegas, United States to Phoenix, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Phoenix Sky Harbor International Airport PHX.

How long is the WN3121 flight from Las Vegas to Phoenix?

The average flight time from Las Vegas to Phoenix is 51 minutes. The flight distance is 411 km / 255 miles and the average flight speed is 454 km/h / 282 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3121 Las Vegas to Phoenix?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3121 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3121 arriving at?

Flight WN3121 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest WN3121 flight?

The latest flight took off on Tuesday, September 2nd, 2025 with the flight status being Landed on 21:00.

How else can the flight WN3121 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3121, WN 3121, SWA 3121.

How often is flight WN3121 delayed?

On average, 67% of all WN3121 flights are delayed. The average delay is 54 minutes.

Can I get compensation for my delayed or cancelled WN3121 flight or baggage issues?

If your WN3121 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 WN3121 Flight Tracker above for more details.

WN3121 and Las Vegas LAS to Phoenix PHX Flights

Other flights departing from Las Vegas LAS: G410, 5E63, WN2111, F92105

Other flights arriving at Phoenix PHX: AA2471, AA3675, AA186, WN2111

All flights connecting Las Vegas LAS to Phoenix PHX.

WN3121 Southwest Airlines Flight: Las Vegas to Phoenix Route Map

WN3121 Southwest Airlines Flight Map: Las Vegas to Phoenix
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.