| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 04 | DEN | SEA | 08:11 | 09:46 |
Landed
|
Track > |
| Jan 03 | DEN | SEA | 08:00 | 09:30 |
Landed
|
Track > |
| Jan 02 | DEN | SEA | 08:04 | 09:28 |
Landed
|
Track > |
| Dec 30 | DEN | SEA | 08:14 | 09:34 |
Landed
|
Track > |
| Dec 29 | DEN | SEA | 08:19 | 09:42 |
Landed
|
Track > |
| Dec 28 | DEN | SEA | 08:53 | 10:31 |
Landed Late
|
Track > |
| Dec 27 | DEN | SEA | 08:04 | 09:36 |
Landed
|
Track > |
| Dec 26 | DEN | SEA | 08:10 | 09:43 |
Landed
|
Track > |
| Dec 23 | DEN | SEA | 08:07 | 09:37 |
Landed
|
Track > |
| Dec 22 | DEN | SEA | 08:06 | 09:43 |
Landed
|
Track > |
Southwest Airlines Flight WN856 connects Denver, United States to Seattle, United States, taking off from Denver International Airport DEN and landing at Seattle Tacoma International Airport SEA.
How long is the WN856 flight from Denver to Seattle?
The average flight time from Denver to Seattle is 2 hours and 30 minutes. The flight distance is 1645 km / 1022 miles and the average flight speed is 658 km/h / 409 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN856 Denver to Seattle?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN856 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN856 arriving at?
Flight WN856 arrives at Seattle Tacoma International Airport (SEA) Terminal A.
When was the latest WN856 flight?
The latest flight took off on Sunday, January 4th, 2026 with the flight status being Landed on 09:46.
How else can the flight WN856 be referenced as?
This Southwest Airlines flight can also be referenced as SWA856, WN0856, WN 856, SWA 856.
How often is flight WN856 delayed?
On average, 10% of all WN856 flights are delayed. The average delay is 36 minutes.
Can I get compensation for my delayed or cancelled WN856 flight or baggage issues?
If your WN856 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 WN856 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN411, WN884, WN2874, WN2899
Other flights arriving at Seattle SEA: AS349, DL1084, Y45986, AA2471
All flights connecting Denver DEN to Seattle SEA.
