| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 01 | PHX | SAN | 18:18 | 18:15 |
Landed Late
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| Dec 31 | PHX | SAN | 18:12 | 18:02 |
Landed
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| Dec 25 | PHX | SAN | 17:49 | 17:44 |
Landed
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| Dec 24 | PHX | SAN | 18:43 | 18:51 |
Delayed
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| Dec 17 | PHX | SAN | 17:57 | 17:48 |
Landed
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| Dec 16 | PHX | SAN | 17:47 | 17:35 |
Landed
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| Dec 15 | PHX | SAN | 17:58 | 17:46 |
Landed
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| Dec 11 | PHX | SAN | 17:52 | 17:40 |
Landed
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| Dec 10 | PHX | SAN | 17:58 | 17:45 |
Landed
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| Dec 09 | PHX | SAN | 17:44 | 17:29 |
Landed
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Southwest Airlines Flight WN3851 connects Phoenix, United States to San Diego, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at San Diego International Airport SAN.
How long is the WN3851 flight from Phoenix to San Diego?
The average flight time from Phoenix to San Diego is 51 minutes. The flight distance is 489 km / 304 miles and the average flight speed is 575 km/h / 357 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3851 Phoenix to San Diego?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3851 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3851 arriving at?
Flight WN3851 arrives at San Diego International Airport (SAN) Terminal 1.
When was the latest WN3851 flight?
The latest flight took off on Friday, January 2nd, 2026 with the flight status being Landed on 18:15.
How else can the flight WN3851 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3851, WN 3851, SWA 3851.
How often is flight WN3851 delayed?
On average, 30% of all WN3851 flights are delayed. The average delay is 27 minutes.
Can I get compensation for my delayed or cancelled WN3851 flight or baggage issues?
If your WN3851 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 WN3851 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: AA3529, AA1668, AA6283, WN503
Other flights arriving at San Diego SAN: UA2417, WN1370, UA779, WN2627
All flights connecting Phoenix PHX to San Diego SAN.