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WN 4355 Denver to St. Louis Flight Status

Southwest Airlines Flight WN4355 from Denver International Airport DEN to St. Louis Lambert International Airport STL is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 31st, 2026.
Check the table below for WN4355's most recent flight history:

WN 4355 Flight Status & Schedule

Date Departure Arrival Status
May 31 19:39 22:10
Landed
Track >
May 24 20:20 22:55
Delayed
Track >
May 17 22:04 00:26
Delayed
Track >
May 10 19:25 21:57
Landed
Track >
May 03 23:01 01:50
Unknown
Track >

Southwest Airlines WN 4355 Denver to St. Louis Flight Information

Southwest Airlines Flight WN4355 connects Denver, United States to St. Louis, United States, taking off from Denver International Airport DEN and landing at St. Louis Lambert International Airport STL.

How long is the WN4355 flight from Denver to St. Louis?

The average flight time from Denver to St. Louis is 1 hour and 34 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 786 km/h / 489 mph.

How many WN4355 flights are operated per week?

1 flight per week. The flight WN4355 is operated on Monday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4355 Denver to St. Louis?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4355 is 4.1/5 stars. This metric is calculated using data from the past 10 flights.

Which terminal is the flight WN4355 arriving at?

Flight WN4355 arrives at St. Louis Lambert International Airport (STL) Terminal 2.

When was the latest WN4355 flight?

The latest flight took off on Monday, June 1st, 2026 with the flight status being Landed on 22:10.

How else can the flight WN4355 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4355, WN 4355, SWA 4355.

How often is flight WN4355 delayed?

On average, 50% of all WN4355 flights are delayed. The average delay is 107 minutes.

Can I get compensation for my delayed or cancelled WN4355 flight or baggage issues?

If your WN4355 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 WN4355 Flight Tracker above for more details.

WN4355 and Denver DEN to St. Louis STL Flights

Other flights departing from Denver DEN: KG4230, UA1322, UA5529, UA5200

Other flights arriving at St. Louis STL: DL2833, WN1548, AA1010, UA6187

All flights connecting Denver DEN to St. Louis STL.

WN4355 Southwest Airlines Flight: Denver to St. Louis 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.