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WN3666 Flight Status Southwest Airlines: Philadelphia to Denver (SWA3666)

WN 3666 Philadelphia to Denver Flight Status

Southwest Airlines Flight WN3666 from Philadelphia International Airport PHL to Denver International Airport DEN is not scheduled for today June 3rd, 2026.
The last time the flight was scheduled was on October 26th, 2025.
Check the table below for WN3666's most recent flight history:

WN 3666 Flight Status & Schedule

Date Departure Arrival Status
Oct 26 18:37 20:05
Landed
 Track >
Oct 19 19:19 20:43
Landed
 Track >
Oct 12 19:01 20:37
Landed
 Track >
Oct 05 18:42 20:20
Landed
 Track >
< All PHL Departures All DEN Arrivals >

Southwest Airlines WN 3666 Philadelphia to Denver Flight Information

Southwest Airlines Flight WN3666 connects Philadelphia, United States to Denver, United States, taking off from Philadelphia International Airport PHL and landing at Denver International Airport DEN.

How long is the WN3666 flight from Philadelphia to Denver?

The average flight time from Philadelphia to Denver is 3 hours and 31 minutes. The flight distance is 2500 km / 1554 miles and the average flight speed is 710 km/h / 441 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3666 Philadelphia to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3666 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN3666 flight?

The latest flight took off on Monday, October 27th, 2025 with the flight status being Landed on 20:05.

How else can the flight WN3666 be referenced as?

This Southwest Airlines flight can also be referenced as SWA3666, WN 3666, SWA 3666.

How often is flight WN3666 delayed?

On average, 50% of all WN3666 flights are delayed. The average delay is 10 minutes.

Can I get compensation for my delayed or cancelled WN3666 flight or baggage issues?

If your WN3666 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 WN3666 Flight Tracker above for more details.

WN3666 and Philadelphia PHL to Denver DEN Flights

Other flights departing from Philadelphia PHL: AA1407, AA646, AA2744, AA1981

Other flights arriving at Denver DEN: F92705, WN709, WN1648, WN3889

All flights connecting Philadelphia PHL to Denver DEN.

WN3666 Southwest Airlines Flight: Philadelphia to Denver Route Map

WN3666 Southwest Airlines Flight Map: Philadelphia to Denver
Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: PF7780 KC8004 ZF3067 KJ5488 KJ6393 SP3639 VJ2284 AD9701 UI5 RO7432
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.