| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 04 | AUS | SJU | 11:14 | 16:23 |
Landed
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| Mar 28 | AUS | SJU | 11:58 | 17:06 |
Landed Late
|
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| Mar 21 | AUS | SJU | 11:12 | 16:29 |
Landed
|
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| Mar 14 | AUS | SJU | 11:13 | 16:21 |
Landed
|
Track > |
| Mar 07 | AUS | SJU | 10:57 | 17:01 |
Landed
|
Track > |
Southwest Airlines Flight WN4399 connects Austin, United States to San Juan, Puerto Rico, taking off from Austin Bergstrom International Airport AUS and landing at San Juan Luis Munoz Marin International Airport SJU.
How long is the WN4399 flight from Austin to San Juan?
The average flight time from Austin to San Juan is 4 hours and 9 minutes. The flight distance is 3450 km / 2144 miles and the average flight speed is 831 km/h / 516 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4399 Austin to San Juan?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4399 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN4399 arriving at?
Flight WN4399 arrives at San Juan Luis Munoz Marin International Airport (SJU) Terminal B.
When was the latest WN4399 flight?
The latest flight took off on Saturday, April 4th, 2026 with the flight status being Landed on 16:23.
How else can the flight WN4399 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4399, WN 4399, SWA 4399.
How often is flight WN4399 delayed?
On average, 80% of all WN4399 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled WN4399 flight or baggage issues?
If your WN4399 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 WN4399 Flight Tracker above for more details.
Other flights departing from Austin AUS: AA3705, AA2708, WN2119, WN1782
Other flights arriving at San Juan SJU: WN2632, F92906, SY788, 9X905
All flights connecting Austin AUS to San Juan SJU.