| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 12 | DEN | JAX | 11:45 | 16:51 |
Landed Late
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| Sep 05 | DEN | JAX | 11:44 | 16:34 |
Landed
|
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| Aug 29 | DEN | JAX | 12:12 | 17:09 |
Landed Late
|
Track > |
| Aug 22 | DEN | JAX | 11:46 | 16:33 |
Landed
|
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| Aug 15 | DEN | JAX | 12:13 | 17:09 |
Landed Late
|
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| Aug 08 | DEN | JAX | 13:04 | 18:07 |
Delayed
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Southwest Airlines Flight WN421 connects Denver, United States to Jacksonville, United States, taking off from Denver International Airport DEN and landing at Jacksonville International Airport JAX.
How long is the WN421 flight from Denver to Jacksonville?
The average flight time from Denver to Jacksonville is 2 hours and 56 minutes. The flight distance is 2325 km / 1445 miles and the average flight speed is 791 km/h / 492 mph.
How many WN421 flights are operated per week?
1 flight per week. The flight WN421 is operated on Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN421 Denver to Jacksonville?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN421 is 4.4/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN421 flight?
The latest flight took off on Saturday, September 12th, 2026 with the flight status being Landed on 16:51.
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, 100% of all WN421 flights are delayed. The average delay is 33 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: UA295, UA1047, OO5298, OO5438
Other flights arriving at Jacksonville JAX: AA1472, DL1035, DL2720, MQ3486
All flights connecting Denver DEN to Jacksonville JAX.