| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | SFO | PHX | 05:10 | 07:37 |
Landed
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| Mar 03 | SFO | PHX | 05:13 | 07:37 |
Landed
|
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| Mar 01 | SFO | PHX | 11:44 | 14:16 |
Landed Late
|
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| Feb 28 | SFO | PHX | 11:06 | 13:36 |
Landed Late
|
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| Feb 27 | SFO | PHX | 10:54 | 13:20 |
Landed
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| Feb 26 | SFO | PHX | 11:15 | 13:44 |
Landed
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| Feb 25 | SFO | PHX | 05:13 | 07:40 |
Landed
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| Feb 24 | SFO | PHX | 05:03 | 07:29 |
Landed
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| Feb 22 | SFO | PHX | 10:45 | 13:16 |
Landed
|
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| Feb 21 | SFO | PHX | 11:35 | 14:01 |
Landed Late
|
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Southwest Airlines Flight WN4021 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 WN4021 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 715 km/h / 444 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4021 San Francisco to Phoenix?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4021 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4021 arriving at?
Flight WN4021 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.
When was the latest WN4021 flight?
The latest flight took off on Wednesday, March 4th, 2026 with the flight status being Landed on 07:37.
How else can the flight WN4021 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4021, WN 4021, SWA 4021.
How often is flight WN4021 delayed?
On average, 40% of all WN4021 flights are delayed. The average delay is 31 minutes.
Can I get compensation for my delayed or cancelled WN4021 flight or baggage issues?
If your WN4021 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 WN4021 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: UA315, TA559, UA2420, WN3195
Other flights arriving at Phoenix PHX: AA955, WN2993, WN1654, WN3664
All flights connecting San Francisco SFO to Phoenix PHX.