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WN4187 Flight Status Southwest Airlines: Las Vegas to San Francisco (SWA4187)

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WN 4187 Las Vegas to San Francisco Flight Status

Southwest Airlines Flight WN4187 from Las Vegas McCarran International Airport LAS to San Francisco International Airport SFO is not scheduled for today July 18th, 2026.
The last time the flight was scheduled was on April 5th, 2026.
Check the table below for WN4187's most recent flight history:

WN 4187 Flight Status & Schedule

Date Departure Arrival Status
Apr 05 23:05 00:17
Landed
 Track >
Mar 29 23:14 00:20
Landed
 Track >
Mar 22 23:52 01:02
Delayed
 Track >
Mar 15 01:14 00:10
Unknown
 Track >
Mar 08 23:01 00:06
Landed
 Track >
< All LAS Departures All SFO Arrivals >

Southwest Airlines WN 4187 Las Vegas to San Francisco Flight Information

Southwest Airlines Flight WN4187 connects Las Vegas, United States to San Francisco, United States, taking off from Las Vegas McCarran International Airport LAS and landing at San Francisco International Airport SFO.

How long is the WN4187 flight from Las Vegas to San Francisco?

The average flight time from Las Vegas to San Francisco is 1 hour and 7 minutes. The flight distance is 665 km / 413 miles and the average flight speed is 563 km/h / 350 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4187 Las Vegas to San Francisco?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4187 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4187 arriving at?

Flight WN4187 arrives at San Francisco International Airport (SFO) Terminal 2.

When was the latest WN4187 flight?

The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 00:17.

How else can the flight WN4187 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4187, WN 4187, SWA 4187.

How often is flight WN4187 delayed?

On average, 50% of all WN4187 flights are delayed. The average delay is 23 minutes.

Can I get compensation for my delayed or cancelled WN4187 flight or baggage issues?

If your WN4187 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 WN4187 Flight Tracker above for more details.

WN4187 and Las Vegas LAS to San Francisco SFO Flights

Other flights departing from Las Vegas LAS: WN186, WN560, WN3296, WN3390

Other flights arriving at San Francisco SFO: AA3076, WN1267, AS411, WN4478

All flights connecting Las Vegas LAS to San Francisco SFO.

WN4187 Southwest Airlines Flight: Las Vegas to San Francisco Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
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Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.