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WN3966 Flight Status Southwest Airlines: Houston to Denver (SWA3966)

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WN 3966 Houston to Denver Flight Status

Southwest Airlines Flight WN3966 from Houston William P. Hobby Airport HOU to Denver International Airport DEN is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on February 28th, 2026.
Check the table below for WN3966's most recent flight history:

WN 3966 Flight Status & Schedule

Date Departure Arrival Status
Feb 28 08:56 10:20
Landed
 Track >
Feb 21 08:50 10:09
Landed
 Track >
Feb 14 08:43 10:01
Landed
 Track >
< All HOU Departures All DEN Arrivals >

Southwest Airlines WN 3966 Houston to Denver Flight Information

Southwest Airlines Flight WN3966 connects Houston, United States to Denver, United States, taking off from Houston William P. Hobby Airport HOU and landing at Denver International Airport DEN.

How long is the WN3966 flight from Houston to Denver?

The average flight time from Houston to Denver is 2 hours and 20 minutes. The flight distance is 1422 km / 883 miles and the average flight speed is 608 km/h / 378 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3966 Houston to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3966 is 5/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3966 arriving at?

Flight WN3966 arrives at Denver International Airport (DEN) Terminal N.

When was the latest WN3966 flight?

The latest flight took off on Saturday, February 28th, 2026 with the flight status being Landed on 10:20.

How else can the flight WN3966 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3966, WN 3966, SWA 3966.

How often is flight WN3966 delayed?

On average, 0% of all WN3966 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN3966 flight or baggage issues?

If your WN3966 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 WN3966 Flight Tracker above for more details.

WN3966 and Houston HOU to Denver DEN Flights

Other flights departing from Houston HOU: WN1925, WN1932, WN3579, WN4708

Other flights arriving at Denver DEN: UA1682, WN1145, UA769, WN4397

All flights connecting Houston HOU to Denver DEN.

WN3966 Southwest Airlines Flight: Houston to Denver 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.