WN 636 San Antonio to Houston Flight Status

Southwest Airlines Flight WN636 from San Antonio International Airport SAT to Houston William P. Hobby Airport HOU is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on March 1st, 2026.
Check the table below for WN636's most recent flight history:

WN 636 Flight Status & Schedule

Date Departure Arrival Status
Mar 01 11:10 11:48
Landed
Track >
Feb 27 11:12 11:45
Landed
Track >
Feb 26 11:17 11:58
Landed
Track >
Feb 22 11:13 11:53
Landed
Track >
Feb 20 11:26 11:58
Landed
Track >

Southwest Airlines WN 636 San Antonio to Houston Flight Information

Southwest Airlines Flight WN636 connects San Antonio, United States to Houston, United States, taking off from San Antonio International Airport SAT and landing at Houston William P. Hobby Airport HOU.

How long is the WN636 flight from San Antonio to Houston?

The average flight time from San Antonio to Houston is 36 minutes. The flight distance is 309 km / 192 miles and the average flight speed is 516 km/h / 321 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN636 San Antonio to Houston?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN636 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN636 flight?

The latest flight took off on Sunday, March 1st, 2026 with the flight status being Landed on 11:48.

How else can the flight WN636 be referenced as?

This Southwest Airlines flight can also be referenced as SWA636, WN0636, WN 636, SWA 636.

How often is flight WN636 delayed?

On average, 12% of all WN636 flights are delayed. The average delay is 24 minutes.

Can I get compensation for my delayed or cancelled WN636 flight or baggage issues?

If your WN636 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 WN636 Flight Tracker above for more details.

WN636 and San Antonio SAT to Houston HOU Flights

Other flights departing from San Antonio SAT: AA3070, WN4677, AA6400, WN3466

Other flights arriving at Houston HOU: WN3256, WN2133, DL1739, WN2175

All flights connecting San Antonio SAT to Houston HOU.

WN636 Southwest Airlines Flight: San Antonio to Houston 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.