WN 1666 Denver to San Antonio Flight Status

Southwest Airlines Flight WN1666 from Denver International Airport DEN to San Antonio International Airport SAT is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on January 1st, 2026.
Check the table below for WN1666's most recent flight history:

WN 1666 Flight Status & Schedule

Date Departure Arrival Status
Jan 01 19:15 22:00
Landed
Track >
Dec 31 19:02 21:34
Landed
Track >
Dec 25 19:12 22:03
Landed
Track >
Dec 24 19:05 21:45
Landed
Track >
Dec 18 21:19 23:58
Landed Late
Track >

Southwest Airlines WN 1666 Denver to San Antonio Flight Information

Southwest Airlines Flight WN1666 connects Denver, United States to San Antonio, United States, taking off from Denver International Airport DEN and landing at San Antonio International Airport SAT.

How long is the WN1666 flight from Denver to San Antonio?

The average flight time from Denver to San Antonio is 1 hour and 41 minutes. The flight distance is 1280 km / 795 miles and the average flight speed is 759 km/h / 472 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1666 Denver to San Antonio?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1666 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN1666 arriving at?

Flight WN1666 arrives at San Antonio International Airport (SAT) Terminal A.

When was the latest WN1666 flight?

The latest flight took off on Friday, January 2nd, 2026 with the flight status being Landed on 22:00.

How else can the flight WN1666 be referenced as?

This Southwest Airlines flight can also be referenced as SWA1666, WN 1666, SWA 1666.

How often is flight WN1666 delayed?

On average, 70% of all WN1666 flights are delayed. The average delay is 23 minutes.

Can I get compensation for my delayed or cancelled WN1666 flight or baggage issues?

If your WN1666 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 WN1666 Flight Tracker above for more details.

WN1666 and Denver DEN to San Antonio SAT Flights

Other flights departing from Denver DEN: OO4660, WN237, WN2570, UA4660

Other flights arriving at San Antonio SAT: WN2402, WN4121, WN3901, WN2316

All flights connecting Denver DEN to San Antonio SAT.

WN1666 Southwest Airlines Flight: Denver to San Antonio 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.