| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 05 | SLC | DEN | 12:15 | 13:45 |
Scheduled
|
Track > |
| Aug 04 | SLC | DEN | 12:52 | 13:55 |
Landed
|
Track > |
Southwest Airlines Flight WN4399 connects Salt Lake City, United States to Denver, United States, taking off from Salt Lake City International Airport SLC and landing at Denver International Airport DEN.
How long is the WN4399 flight from Salt Lake City to Denver?
The average flight time from Salt Lake City to Denver is 1 hour and 3 minutes. The flight distance is 627 km / 390 miles and the average flight speed is 508 km/h / 316 mph.
How many WN4399 flights are operated per week?
2 flights per week. The flight WN4399 is operated on Tuesday and Wednesday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4399 Salt Lake City to Denver?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4399 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4399 flight?
The latest flight took off on Wednesday, August 5th, 2026 with the flight status being Scheduled on 13:45.
How else can the flight WN4399 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4399, WN 4399, SWA 4399.
How often is flight WN4399 delayed?
On average, 50% of all WN4399 flights are delayed. The average delay is 10 minutes.
Can I get compensation for my delayed or cancelled WN4399 flight or baggage issues?
If your WN4399 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 WN4399 Flight Tracker above for more details.
Other flights departing from Salt Lake City SLC: DL1254, OO6422, OO3892, AA1895
Other flights arriving at Denver DEN: LH480, DL1648, OO5649, F94990
All flights connecting Salt Lake City SLC to Denver DEN.