WN 1645 San Antonio to Denver Flight Status

Southwest Airlines Flight WN1645 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 October 1st, 2025.
Check the table below for WN1645's most recent flight history:

WN 1645 Flight Status & Schedule

Date Departure Arrival Status
Oct 01 06:23 07:15
Landed
Track >
Sep 30 06:19 07:16
Landed
Track >
Sep 29 11:19 12:01
Landed
Track >
Sep 28 11:14 12:01
Landed
Track >
Sep 26 11:10 11:54
Landed
Track >

Southwest Airlines WN 1645 San Antonio to Denver Flight Information

Southwest Airlines Flight WN1645 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 WN1645 flight from San Antonio to Denver?

The average flight time from San Antonio to Denver is 1 hour and 50 minutes. The flight distance is 1280 km / 795 miles and the average flight speed is 694 km/h / 431 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1645 San Antonio to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1645 is 5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN1645 flight?

The latest flight took off on Wednesday, October 1st, 2025 with the flight status being Landed on 07:15.

How else can the flight WN1645 be referenced as?

This Southwest Airlines flight can also be referenced as SWA1645, WN 1645, SWA 1645.

How often is flight WN1645 delayed?

On average, 0% of all WN1645 flights are delayed. The average delay is 0 minutes.

Can I get compensation for my delayed or cancelled WN1645 flight or baggage issues?

If your WN1645 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 WN1645 Flight Tracker above for more details.

WN1645 and San Antonio SAT to Denver DEN Flights

Other flights departing from San Antonio SAT: WN4231, WN1479, WN3169, WN1484

Other flights arriving at Denver DEN: WN1167, WN687, WN804, WN2399

All flights connecting San Antonio SAT to Denver DEN.

WN1645 Southwest Airlines Flight: San Antonio to Denver Route Map

WN1645 Southwest Airlines Flight Map: San Antonio to Denver
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.