WN4121 Flight Status Southwest Airlines: Seattle to Phoenix (SWA4121)

How long is the WN4121 flight from Seattle to Phoenix?

The average flight time from Seattle to Phoenix is 2 hours and 17 minutes. The flight distance is 1782 km / 1107 miles and the average flight speed is 781 km/h / 485 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4121 Seattle to Phoenix?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4121 is 4.3/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4121 arriving at?

Flight WN4121 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest WN4121 flight?

The latest flight took off on Sunday, January 4th, 2026 with the flight status being En-Route on 21:38.

How else can the flight WN4121 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4121, WN 4121, SWA 4121.

How often is flight WN4121 delayed?

On average, 80% of all WN4121 flights are delayed. The average delay is 54 minutes.

Can I get compensation for my delayed or cancelled WN4121 flight or baggage issues?

If your WN4121 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.