| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | LAS | TUS | 22:24 | 00:17 |
Landed
|
Track > |
| Dec 18 | LAS | TUS | 22:11 | 00:01 |
Landed
|
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| Dec 14 | LAS | TUS | 22:34 | 00:29 |
Landed
|
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| Dec 12 | LAS | TUS | 22:10 | 00:02 |
Landed
|
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| Dec 07 | LAS | TUS | 22:38 | 00:27 |
Landed
|
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| Nov 30 | LAS | TUS | 23:13 | 01:05 |
Landed
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| Nov 28 | LAS | TUS | 22:20 | 00:11 |
Landed
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| Nov 24 | LAS | TUS | 22:12 | 00:03 |
Landed
|
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| Nov 23 | LAS | TUS | 22:13 | 00:03 |
Landed
|
Track > |
| Nov 21 | LAS | TUS | 22:40 | 00:36 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3999 connects Las Vegas, United States to Tucson, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Tucson International Airport TUS.
How long is the WN3999 flight from Las Vegas to Tucson?
The average flight time from Las Vegas to Tucson is 51 minutes. The flight distance is 587 km / 365 miles and the average flight speed is 680 km/h / 422 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3999 Las Vegas to Tucson?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3999 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3999 arriving at?
Flight WN3999 arrives at Tucson International Airport (TUS) Terminal S.
When was the latest WN3999 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 00:17.
How else can the flight WN3999 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3999, WN 3999, SWA 3999.
How often is flight WN3999 delayed?
On average, 40% of all WN3999 flights are delayed. The average delay is 12 minutes.
Can I get compensation for my delayed or cancelled WN3999 flight or baggage issues?
If your WN3999 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 WN3999 Flight Tracker above for more details.
Other flights departing from Las Vegas LAS: UA1995, WN606, WN3967, WN4574
Other flights arriving at Tucson TUS: AA3982, WN2979, AA6436, AS1473
All flights connecting Las Vegas LAS to Tucson TUS.