| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Mar 04 | SEA | LAS | 09:05 | 11:04 |
Landed
|
Track > |
| Mar 03 | SEA | LAS | 10:04 | 12:07 |
Delayed
|
Track > |
| Mar 02 | SEA | LAS | 06:34 | 08:34 |
Landed
|
Track > |
| Mar 01 | SEA | LAS | 06:36 | 08:39 |
Landed
|
Track > |
| Feb 27 | SEA | LAS | 06:43 | 08:40 |
Landed
|
Track > |
| Feb 26 | SEA | LAS | 06:36 | 08:31 |
Landed
|
Track > |
| Feb 25 | SEA | LAS | 09:04 | 10:59 |
Landed
|
Track > |
| Feb 24 | SEA | LAS | 09:02 | 11:02 |
Landed
|
Track > |
| Feb 23 | SEA | LAS | 06:26 | 08:26 |
Landed
|
Track > |
| Feb 22 | SEA | LAS | 06:36 | 08:42 |
Landed
|
Track > |
Southwest Airlines Flight WN1821 connects Seattle, United States to Las Vegas, United States, taking off from Seattle Tacoma International Airport SEA and landing at Las Vegas McCarran International Airport LAS.
How long is the WN1821 flight from Seattle to Las Vegas?
The average flight time from Seattle to Las Vegas is 1 hour and 59 minutes. The flight distance is 1395 km / 867 miles and the average flight speed is 699 km/h / 434 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1821 Seattle to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1821 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1821 arriving at?
Flight WN1821 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN1821 flight?
The latest flight took off on Wednesday, March 4th, 2026 with the flight status being Landed on 11:04.
How else can the flight WN1821 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1821, WN 1821, SWA 1821.
How often is flight WN1821 delayed?
On average, 10% of all WN1821 flights are delayed. The average delay is 52 minutes.
Can I get compensation for my delayed or cancelled WN1821 flight or baggage issues?
If your WN1821 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 WN1821 Flight Tracker above for more details.
Other flights departing from Seattle SEA: UA2217, DL302, AS9800, AS274
Other flights arriving at Las Vegas LAS: WN2883, WN361, WN4213, WN1486
All flights connecting Seattle SEA to Las Vegas LAS.