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WN 4256 San Antonio to Denver Flight Status

Southwest Airlines Flight WN4256 from San Antonio International Airport SAT to Denver International Airport DEN 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 WN4256's most recent flight history:

WN 4256 Flight Status & Schedule

Date Departure Arrival Status
Mar 01 20:39 21:30
Landed Late
Track >
Feb 28 18:32 19:33
Landed
Track >
Feb 27 19:53 20:50
Landed
Track >
Feb 26 20:16 21:13
Landed Late
Track >
Feb 22 20:29 21:25
Landed Late
Track >

Southwest Airlines WN 4256 San Antonio to Denver Flight Information

Southwest Airlines Flight WN4256 connects San Antonio, United States to Denver, United States, taking off from San Antonio International Airport SAT and landing at Denver International Airport DEN.

How long is the WN4256 flight from San Antonio to Denver?

The average flight time from San Antonio to Denver is 1 hour and 56 minutes. The flight distance is 1280 km / 795 miles and the average flight speed is 661 km/h / 411 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4256 San Antonio to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4256 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4256 flight?

The latest flight took off on Monday, March 2nd, 2026 with the flight status being Landed on 21:30.

How else can the flight WN4256 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4256, WN 4256, SWA 4256.

How often is flight WN4256 delayed?

On average, 60% of all WN4256 flights are delayed. The average delay is 17 minutes.

Can I get compensation for my delayed or cancelled WN4256 flight or baggage issues?

If your WN4256 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 WN4256 Flight Tracker above for more details.

WN4256 and San Antonio SAT to Denver DEN Flights

Other flights departing from San Antonio SAT: UA4024, AA850, WN4184, WN3993

Other flights arriving at Denver DEN: WN4279, AA3111, WN4292, UA5917

All flights connecting San Antonio SAT to Denver DEN.

WN4256 Southwest Airlines Flight: San Antonio to Denver 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.