| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 18 | STS | SAN | 06:20 | 07:33 |
Landed
|
Track > |
| Sep 17 | STS | SAN | 06:11 | 07:27 |
Landed
|
Track > |
| Sep 16 | STS | SAN | 07:03 | 08:31 |
Delayed
|
Track > |
| Sep 15 | STS | SAN | 06:07 | 07:19 |
Landed
|
Track > |
| Sep 14 | STS | SAN | 06:06 | 07:20 |
Landed
|
Track > |
| Sep 13 | STS | SAN | 07:13 | 08:28 |
Landed
|
Track > |
| Sep 12 | STS | SAN | 06:06 | 07:18 |
Landed
|
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| Sep 11 | STS | SAN | 07:06 | 08:21 |
Landed Late
|
Track > |
| Sep 10 | STS | SAN | 06:14 | 07:27 |
Landed
|
Track > |
| Sep 09 | STS | SAN | 06:12 | 07:28 |
Landed
|
Track > |
Southwest Airlines Flight WN3900 connects Santa Rosa, United States to San Diego, United States, taking off from Santa Rosa Sonoma County Airport STS and landing at San Diego International Airport SAN.
How long is the WN3900 flight from Santa Rosa to San Diego?
The average flight time from Santa Rosa to San Diego is 1 hour and 15 minutes. The flight distance is 819 km / 509 miles and the average flight speed is 653 km/h / 406 mph.
How many WN3900 flights are operated per week?
7 flights per week. The flight WN3900 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3900 Santa Rosa to San Diego?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3900 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3900 arriving at?
Flight WN3900 arrives at San Diego International Airport (SAN) Terminal 1.
When was the latest WN3900 flight?
The latest flight took off on Friday, September 18th, 2026 with the flight status being Landed on 07:33.
How else can the flight WN3900 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3900, WN 3900, SWA 3900.
How often is flight WN3900 delayed?
On average, 20% of all WN3900 flights are delayed. The average delay is 43 minutes.
Can I get compensation for my delayed or cancelled WN3900 flight or baggage issues?
If your WN3900 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 WN3900 Flight Tracker above for more details.
Other flights departing from Santa Rosa STS: OO3225, AS3371, OO3315, AS1331
Other flights arriving at San Diego SAN: WN435, AS1424, WN552, WN257
All flights connecting Santa Rosa STS to San Diego SAN.