| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| May 30 | SEA | LAS | 14:51 | 16:51 |
Landed
|
Track > |
| May 23 | SEA | LAS | 14:53 | 16:50 |
Landed
|
Track > |
| May 16 | SEA | LAS | 15:22 | 17:17 |
Landed Late
|
Track > |
| May 09 | SEA | LAS | 14:40 | 16:37 |
Landed
|
Track > |
| Apr 25 | SEA | LAS | 14:58 | 17:03 |
Landed
|
Track > |
| Apr 18 | SEA | LAS | 14:48 | 16:51 |
Landed
|
Track > |
| Apr 11 | SEA | LAS | 14:44 | 16:51 |
Landed
|
Track > |
Southwest Airlines Flight WN1521 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 WN1521 flight from Seattle to Las Vegas?
The average flight time from Seattle to Las Vegas is 2 hours. The flight distance is 1395 km / 867 miles and the average flight speed is 695 km/h / 432 mph.
How many WN1521 flights are operated per week?
1 flight per week. The flight WN1521 is operated on Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1521 Seattle to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1521 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1521 arriving at?
Flight WN1521 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN1521 flight?
The latest flight took off on Saturday, May 30th, 2026 with the flight status being Landed on 16:51.
How else can the flight WN1521 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1521, WN 1521, SWA 1521.
How often is flight WN1521 delayed?
On average, 71% of all WN1521 flights are delayed. The average delay is 8 minutes.
Can I get compensation for my delayed or cancelled WN1521 flight or baggage issues?
If your WN1521 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 WN1521 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL4145, LH491, AS3030, AS7004
Other flights arriving at Las Vegas LAS: WN2257, WN3707, WN968, WN3254
All flights connecting Seattle SEA to Las Vegas LAS.