| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 06 | DEN | SMF | 10:15 | 11:55 |
Delayed
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Southwest Airlines Flight WN421 connects Denver, United States to Sacramento, United States, taking off from Denver International Airport DEN and landing at Sacramento International Airport SMF.
How many WN421 flights are operated per week?
1 flight per week. The flight WN421 is operated on Thursday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN421 Denver to Sacramento?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN421 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN421 arriving at?
Flight WN421 arrives at Sacramento International Airport (SMF) Terminal B.
When was the latest WN421 flight?
The latest flight took off on Thursday, August 6th, 2026 with the flight status being Scheduled on 11:55.
How else can the flight WN421 be referenced as?
This Southwest Airlines flight can also be referenced as SWA421, WN0421, WN 421, SWA 421.
How often is flight WN421 delayed?
On average, 0% of all WN421 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled WN421 flight or baggage issues?
If your WN421 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 WN421 Flight Tracker above for more details.
Other flights departing from Denver DEN: UA1241, WN1708, OO5514, F94828
Other flights arriving at Sacramento SMF: UA2145, WN1199, AA1677, AS1380
All flights connecting Denver DEN to Sacramento SMF.