WN 4478 Phoenix to San Francisco Flight Status

Southwest Airlines Flight WN4478 from Phoenix Sky Harbor International Airport PHX to San Francisco International Airport SFO is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on April 5th, 2026.
Check the table below for WN4478's most recent flight history:

WN 4478 Flight Status & Schedule

Date Departure Arrival Status
Apr 05 23:32 01:06
Landed
Track >
Mar 29 23:10 00:43
Landed
Track >
Mar 22 23:57 01:29
Landed Late
Track >
Mar 15 22:50 00:55
Cancelled
Track >
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Mar 08 23:40 01:07
Landed
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Southwest Airlines WN 4478 Phoenix to San Francisco Flight Information

Southwest Airlines Flight WN4478 connects Phoenix, United States to San Francisco, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at San Francisco International Airport SFO.

How long is the WN4478 flight from Phoenix to San Francisco?

The average flight time from Phoenix to San Francisco is 1 hour and 31 minutes. The flight distance is 1046 km / 650 miles and the average flight speed is 650 km/h / 404 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4478 Phoenix to San Francisco?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4478 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4478 arriving at?

Flight WN4478 arrives at San Francisco International Airport (SFO) Terminal 2.

When was the latest WN4478 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 01:06.

How else can the flight WN4478 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4478, WN 4478, SWA 4478.

How often is flight WN4478 delayed?

On average, 60% of all WN4478 flights are delayed. The average delay is 19 minutes.

Can I get compensation for my delayed or cancelled WN4478 flight or baggage issues?

If your WN4478 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 WN4478 Flight Tracker above for more details.

WN4478 and Phoenix PHX to San Francisco SFO Flights

Other flights departing from Phoenix PHX: WN2410, WN2514, WN3902, WN4270

Other flights arriving at San Francisco SFO: WN1267, WN4187, UA1815, WN309

All flights connecting Phoenix PHX to San Francisco SFO.

WN4478 Southwest Airlines Flight: Phoenix to San Francisco Route Map

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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.