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WN 3121 Portland to Denver Flight Status

Southwest Airlines Flight WN3121 from Portland International Airport PDX to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on August 4th, 2025.
Check the table below for WN3121's most recent flight history:

WN 3121 Flight Status & Schedule

Date Departure Arrival Status
Aug 04 16:26 19:24
Landed
Track >
Aug 01 16:54 20:01
Landed Late
Track >
Jul 31 16:55 20:07
Landed Late
Track >
Jul 30 19:22 22:31
Landed
Track >
Jul 29 19:26 22:34
Landed
Track >

Southwest Airlines WN 3121 Portland to Denver Flight Information

Southwest Airlines Flight WN3121 connects Portland, United States to Denver, United States, taking off from Portland International Airport PDX and landing at Denver International Airport DEN.

How long is the WN3121 flight from Portland to Denver?

The average flight time from Portland to Denver is 2 hours and 8 minutes. The flight distance is 1592 km / 989 miles and the average flight speed is 746 km/h / 463 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3121 Portland to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3121 is 4.6/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN3121 arriving at?

Flight WN3121 arrives at Denver International Airport (DEN) Terminal 3.

When was the latest WN3121 flight?

The latest flight took off on Tuesday, August 5th, 2025 with the flight status being Landed on 19:24.

How else can the flight WN3121 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3121, WN 3121, SWA 3121.

How often is flight WN3121 delayed?

On average, 70% of all WN3121 flights are delayed. The average delay is 37 minutes.

Can I get compensation for my delayed or cancelled WN3121 flight or baggage issues?

If your WN3121 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 WN3121 Flight Tracker above for more details.

WN3121 and Portland PDX to Denver DEN Flights

Other flights departing from Portland PDX: NK1286, G4568, WN2876, WN4175

Other flights arriving at Denver DEN: OO5070, WN1235, OO5062, WN1726

All flights connecting Portland PDX to Denver DEN.

WN3121 Southwest Airlines Flight: Portland to Denver Route Map

WN3121 Southwest Airlines Flight Map: Portland 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.