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WN4637 Flight Status Southwest Airlines: Sacramento to Denver (SWA4637)

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WN 4637 Sacramento to Denver Flight Status

Southwest Airlines Flight WN4637 from Sacramento International Airport SMF to Denver International Airport DEN is not scheduled for today October 16th, 2026.
The last time the flight was scheduled was on September 27th, 2026.
Check the table below for WN4637's most recent flight history:

WN 4637 Flight Status & Schedule

Date Departure Arrival Status
Sep 27 17:17 20:34
Landed
 Track >
Sep 20 17:35 20:31
Landed
 Track >
Sep 13 17:54 20:53
Landed Late
 Track >
Aug 30 17:40 20:36
Landed
 Track >
Aug 23 17:13 20:12
Landed
 Track >
< All SMF Departures All DEN Arrivals >

Southwest Airlines WN 4637 Sacramento to Denver Flight Information

Southwest Airlines Flight WN4637 connects Sacramento, United States to Denver, United States, taking off from Sacramento International Airport SMF and landing at Denver International Airport DEN.

How long is the WN4637 flight from Sacramento to Denver?

The average flight time from Sacramento to Denver is 1 hour and 59 minutes. The flight distance is 1460 km / 907 miles and the average flight speed is 738 km/h / 458 mph.

What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4637 Sacramento to Denver?

The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4637 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.

When was the latest WN4637 flight?

The latest flight took off on Monday, September 28th, 2026 with the flight status being Landed on 20:34.

How else can the flight WN4637 be referenced as?

This Southwest Airlines flight can also be referenced as SWA4637, WN 4637, SWA 4637.

How often is flight WN4637 delayed?

On average, 86% of all WN4637 flights are delayed. The average delay is 15 minutes.

Can I get compensation for my delayed or cancelled WN4637 flight or baggage issues?

If your WN4637 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 WN4637 Flight Tracker above for more details.

WN4637 and Sacramento SMF to Denver DEN Flights

Other flights departing from Sacramento SMF: AS1437, WN3712, WN4560, WN1853

Other flights arriving at Denver DEN: WN834, DL8865, WN599, F91091

All flights connecting Sacramento SMF to Denver DEN.

WN4637 Southwest Airlines Flight: Sacramento to Denver Route Map

Flight Delay Compensation up to 600€/$: Claim for delay, cancellation, or baggage issues >
New Flights: SM1946 D29405 WT403 6R580 6R593 6R457 QG8075 Y73112 TK3364 SG9487
See Also: Flight Tracker Airports Airlines News Flights Monitor Delay Compensation
Flight-schedule data supplied by Aviation Edge Real-time Flight Schedules API.