WN 4638 San Antonio to Las Vegas Flight Status

Southwest Airlines Flight WN4638 from San Antonio International Airport SAT to Las Vegas McCarran International Airport LAS is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 3rd, 2026.
Check the table below for WN4638's most recent flight history:

WN 4638 Flight Status & Schedule

Date Departure Arrival Status
Jan 03 18:14 18:59
Delayed
Track >
Dec 27 17:01 17:35
Landed
Track >
Dec 20 17:29 18:18
Landed Late
Track >
Nov 29 16:57 17:30
Landed
Track >
Nov 22 16:58 17:25
Landed
Track >

Southwest Airlines WN 4638 San Antonio to Las Vegas Flight Information

Southwest Airlines Flight WN4638 connects San Antonio, United States to Las Vegas, United States, taking off from San Antonio International Airport SAT and landing at Las Vegas McCarran International Airport LAS.

How long is the WN4638 flight from San Antonio to Las Vegas?

The average flight time from San Antonio to Las Vegas is 2 hours and 37 minutes. The flight distance is 1717 km / 1067 miles and the average flight speed is 656 km/h / 407 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4638 San Antonio to Las Vegas?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4638 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4638 arriving at?

Flight WN4638 arrives at Las Vegas McCarran International Airport (LAS) Terminal 1.

When was the latest WN4638 flight?

The latest flight took off on Sunday, January 4th, 2026 with the flight status being En-Route on 18:59.

How else can the flight WN4638 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4638, WN 4638, SWA 4638.

How often is flight WN4638 delayed?

On average, 40% of all WN4638 flights are delayed. The average delay is 63 minutes.

Can I get compensation for my delayed or cancelled WN4638 flight or baggage issues?

If your WN4638 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 WN4638 Flight Tracker above for more details.

WN4638 and San Antonio SAT to Las Vegas LAS Flights

Other flights departing from San Antonio SAT: UA2157, DL1555, WN3384, WN1926

Other flights arriving at Las Vegas LAS: WN4622, WN3237, WN1798, WN393

All flights connecting San Antonio SAT to Las Vegas LAS.

WN4638 Southwest Airlines Flight: San Antonio to Las Vegas Route Map

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