| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 31 | DCA | LAS | 17:13 | 18:48 |
Landed
|
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| May 24 | DCA | LAS | 18:25 | 19:53 |
Landed Late
|
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| May 17 | DCA | LAS | 18:06 | 19:45 |
Delayed
|
Track > |
| May 10 | DCA | LAS | 17:10 | 18:51 |
Landed
|
Track > |
| May 03 | DCA | LAS | 16:37 | 18:51 |
Unknown
|
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| Apr 26 | DCA | LAS | 17:17 | 18:54 |
Landed
|
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| Apr 19 | DCA | LAS | 16:48 | 18:39 |
Landed
|
Track > |
| Apr 12 | DCA | LAS | 17:06 | 18:58 |
Landed
|
Track > |
Southwest Airlines Flight WN3820 connects Washington, United States to Las Vegas, United States, taking off from Washington Ronald Reagan National Airport DCA and landing at Las Vegas McCarran International Airport LAS.
How long is the WN3820 flight from Washington to Las Vegas?
The average flight time from Washington to Las Vegas is 4 hours and 44 minutes. The flight distance is 3353 km / 2084 miles and the average flight speed is 708 km/h / 440 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3820 Washington to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3820 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3820 arriving at?
Flight WN3820 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN3820 flight?
The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 18:48.
How else can the flight WN3820 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3820, WN 3820, SWA 3820.
How often is flight WN3820 delayed?
On average, 87% of all WN3820 flights are delayed. The average delay is 19 minutes.
Can I get compensation for my delayed or cancelled WN3820 flight or baggage issues?
If your WN3820 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 WN3820 Flight Tracker above for more details.
Other flights departing from Washington DCA: WN4645, WN1761, WN3319, DL5820
Other flights arriving at Las Vegas LAS: WN2695, WN1902, AS1362, WN1413
All flights connecting Washington DCA to Las Vegas LAS.