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WN4399 Flight Status Southwest Airlines: Tucson to San Diego (SWA4399)

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WN 4399 Tucson to San Diego Flight Status

Southwest Airlines Flight WN4399 from Tucson International Airport TUS to San Diego International Airport SAN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on October 30th, 2025.
Check the table below for WN4399's most recent flight history:

WN 4399 Flight Status & Schedule

Date Departure Arrival Status
Oct 30 18:28 19:23
Landed
 Track >
Oct 29 16:51 17:49
Unknown
 Track >
Oct 28 16:55 17:52
Landed
 Track >
Oct 27 19:12 20:07
Landed Late
 Track >
Oct 26 19:47 20:42
Landed Late
 Track >
< All TUS Departures All SAN Arrivals >

Southwest Airlines WN 4399 Tucson to San Diego Flight Information

Southwest Airlines Flight WN4399 connects Tucson, United States to San Diego, United States, taking off from Tucson International Airport TUS and landing at San Diego International Airport SAN.

How long is the WN4399 flight from Tucson to San Diego?

The average flight time from Tucson to San Diego is 57 minutes. The flight distance is 590 km / 367 miles and the average flight speed is 619 km/h / 385 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4399 Tucson to San Diego?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4399 is 4.8/5 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 Diego International Airport (SAN) Terminal 1.

When was the latest WN4399 flight?

The latest flight took off on Friday, October 31st, 2025 with the flight status being Landed on 19:23.

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, 50% of all WN4399 flights are delayed. The average delay is 28 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.

WN4399 and Tucson TUS to San Diego SAN Flights

Other flights departing from Tucson TUS: WN1137, AA6207, WN716, AA6208

Other flights arriving at San Diego SAN: WN2316, WN269, WN3302, AA3270

All flights connecting Tucson TUS to San Diego SAN.

WN4399 Southwest Airlines Flight: Tucson to San Diego Route Map

WN4399 Southwest Airlines Flight Map: Tucson to San Diego
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: A84222 GB6626 G6111 5E2947 Y45037 IA7004 FJ1105 VB1532 FJ2804 WN4964
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.