WN 435 Buffalo to Denver Flight Status

Southwest Airlines Flight WN435 from Buffalo Niagara International Airport BUF to Denver International Airport DEN is not scheduled for today June 4th, 2026.
The last time the flight was scheduled was on May 30th, 2026.
Check the table below for WN435's most recent flight history:

WN 435 Flight Status & Schedule

Date Departure Arrival Status
May 30 15:36 16:52
Landed
Track >
May 23 15:38 16:47
Landed
Track >
May 16 15:59 17:20
Landed Late
Track >
May 09 15:46 17:07
Landed
Track >
Apr 25 15:45 16:52
Landed
Track >

Southwest Airlines WN 435 Buffalo to Denver Flight Information

Southwest Airlines Flight WN435 connects Buffalo, United States to Denver, United States, taking off from Buffalo Niagara International Airport BUF and landing at Denver International Airport DEN.

How long is the WN435 flight from Buffalo to Denver?

The average flight time from Buffalo to Denver is 3 hours and 19 minutes. The flight distance is 2182 km / 1356 miles and the average flight speed is 659 km/h / 409 mph.

How many WN435 flights are operated per week?

1 flight per week. The flight WN435 is operated on Saturday.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN435 Buffalo to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN435 is 4.5/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN435 flight?

The latest flight took off on Saturday, May 30th, 2026 with the flight status being Landed on 16:52.

How else can the flight WN435 be referenced as?

This Southwest Airlines flight can also be referenced as SWA435, WN0435, WN 435, SWA 435.

How often is flight WN435 delayed?

On average, 57% of all WN435 flights are delayed. The average delay is 47 minutes.

Can I get compensation for my delayed or cancelled WN435 flight or baggage issues?

If your WN435 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 WN435 Flight Tracker above for more details.

WN435 and Buffalo BUF to Denver DEN Flights

Other flights departing from Buffalo BUF: AA6041, WN3563, OO4021, WN909

Other flights arriving at Denver DEN: UA2120, AS786, UA5805, OO5377

All flights connecting Buffalo BUF to Denver DEN.

WN435 Southwest Airlines Flight: Buffalo 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.