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WN4128 Flight Status Southwest Airlines: San Francisco to Phoenix (SWA4128)

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WN 4128 San Francisco to Phoenix Flight Status

Southwest Airlines Flight WN4128 from San Francisco International Airport SFO to Phoenix Sky Harbor International Airport PHX is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 26th, 2025.
Check the table below for WN4128's most recent flight history:

WN 4128 Flight Status & Schedule

Date Departure Arrival Status
Oct 26 05:34 06:57
Landed
 Track >
Oct 19 05:28 06:58
Landed
 Track >
Oct 12 05:33 07:00
Landed
 Track >
Oct 05 05:36 07:04
Landed
 Track >
< All SFO Departures All PHX Arrivals >

Southwest Airlines WN 4128 San Francisco to Phoenix Flight Information

Southwest Airlines Flight WN4128 connects San Francisco, United States to Phoenix, United States, taking off from San Francisco International Airport SFO and landing at Phoenix Sky Harbor International Airport PHX.

How long is the WN4128 flight from San Francisco to Phoenix?

The average flight time from San Francisco to Phoenix is 1 hour and 27 minutes. The flight distance is 1046 km / 650 miles and the average flight speed is 722 km/h / 449 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4128 San Francisco to Phoenix?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4128 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4128 arriving at?

Flight WN4128 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.

When was the latest WN4128 flight?

The latest flight took off on Sunday, October 26th, 2025 with the flight status being Landed on 06:57.

How else can the flight WN4128 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4128, WN 4128, SWA 4128.

How often is flight WN4128 delayed?

On average, 0% of all WN4128 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN4128 flight or baggage issues?

If your WN4128 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 WN4128 Flight Tracker above for more details.

WN4128 and San Francisco SFO to Phoenix PHX Flights

Other flights departing from San Francisco SFO: 8C3310, WN2559, WN3834, 8C3319

Other flights arriving at Phoenix PHX: WN2216, WN211, WN246, AA1386

All flights connecting San Francisco SFO to Phoenix PHX.

WN4128 Southwest Airlines Flight: San Francisco to Phoenix Route Map

WN4128 Southwest Airlines Flight Map: San Francisco to Phoenix
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: SU6088 DK4556 XC6886 VB9396 S4432 MW1629 WF4589 K9184 TK5330 VK6605
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.