| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 03 | SEA | LAS | 17:15 | 19:12 |
Delayed
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| Dec 27 | SEA | LAS | 15:14 | 17:02 |
Landed
|
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| Dec 20 | SEA | LAS | 15:50 | 17:44 |
Landed Late
|
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| Nov 29 | SEA | LAS | 15:21 | 17:10 |
Landed
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Track > |
| Nov 22 | SEA | LAS | 15:09 | 17:07 |
Landed
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Southwest Airlines Flight WN3742 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 WN3742 flight from Seattle to Las Vegas?
The average flight time from Seattle to Las Vegas is 1 hour and 53 minutes. The flight distance is 1395 km / 867 miles and the average flight speed is 740 km/h / 460 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3742 Seattle to Las Vegas?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3742 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3742 arriving at?
Flight WN3742 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.
When was the latest WN3742 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being En-Route on 19:12.
How else can the flight WN3742 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3742, WN 3742, SWA 3742.
How often is flight WN3742 delayed?
On average, 40% of all WN3742 flights are delayed. The average delay is 63 minutes.
Can I get compensation for my delayed or cancelled WN3742 flight or baggage issues?
If your WN3742 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 WN3742 Flight Tracker above for more details.
Other flights departing from Seattle SEA: DL3834, AS678, AS2159, AS173
Other flights arriving at Las Vegas LAS: WN1073, WN3559, WN2869, XE657
All flights connecting Seattle SEA to Las Vegas LAS.