| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | MCI | LAS | 22:06 | 22:59 |
Landed
|
Track > |
| Jan 04 | MCI | LAS | 22:10 | 22:55 |
Landed
|
Track > |
| Jan 03 | MCI | LAS | 22:08 | 22:53 |
Delayed
|
Track > |
| Jan 02 | MCI | LAS | 23:16 | 23:49 |
Landed Late
|
Track > |
| Dec 30 | MCI | LAS | 22:56 | 23:23 |
Landed
|
Track > |
| Dec 29 | MCI | LAS | 22:18 | 22:45 |
Landed
|
Track > |
| Dec 28 | MCI | LAS | 23:29 | 00:23 |
Delayed
|
Track > |
| Dec 27 | MCI | LAS | 21:26 | 22:12 |
Landed Late
|
Track > |
| Dec 26 | MCI | LAS | 22:58 | 23:50 |
Landed Late
|
Track > |
| Dec 23 | MCI | LAS | 23:10 | 23:58 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3521 connects Kansas City, United States to Las Vegas, United States, taking off from Kansas City International Airport MCI and landing at Las Vegas McCarran International Airport LAS.
How long is the WN3521 flight from Kansas City to Las Vegas?
The average flight time from Kansas City to Las Vegas is 2 hours and 43 minutes. The flight distance is 1829 km / 1137 miles and the average flight speed is 676 km/h / 420 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3521 Kansas City to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3521 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3521 arriving at?
Flight WN3521 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN3521 flight?
The latest flight took off on Tuesday, January 6th, 2026 with the flight status being Landed on 22:59.
How else can the flight WN3521 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3521, WN 3521, SWA 3521.
How often is flight WN3521 delayed?
On average, 70% of all WN3521 flights are delayed. The average delay is 43 minutes.
Can I get compensation for my delayed or cancelled WN3521 flight or baggage issues?
If your WN3521 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 WN3521 Flight Tracker above for more details.
Other flights departing from Kansas City MCI: WN3197, WN3478, SY3028, SY3056
Other flights arriving at Las Vegas LAS: AA2634, UA2414, WN2330, WN608
All flights connecting Kansas City MCI to Las Vegas LAS.