| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 05 | LAS | PHX | 18:17 | 19:03 |
Landed
|
Track > |
| Mar 29 | LAS | PHX | 18:21 | 19:10 |
Landed
|
Track > |
| Mar 22 | LAS | PHX | 18:51 | 19:38 |
Landed Late
|
Track > |
| Mar 08 | LAS | PHX | 18:38 | 19:05 |
En-Route
|
Track > |
| Mar 08 | LAS | PHX | 18:45 | 19:31 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3857 connects Las Vegas, United States to Phoenix, United States, taking off from Las Vegas McCarran International Airport LAS and landing at Phoenix Sky Harbor International Airport PHX.
How long is the WN3857 flight from Las Vegas to Phoenix?
The average flight time from Las Vegas to Phoenix is 47 minutes. The flight distance is 411 km / 255 miles and the average flight speed is 666 km/h / 414 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3857 Las Vegas to Phoenix?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3857 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3857 arriving at?
Flight WN3857 arrives at Phoenix Sky Harbor International Airport (PHX) Terminal 4.
When was the latest WN3857 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 19:03.
How else can the flight WN3857 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3857, WN 3857, SWA 3857.
How often is flight WN3857 delayed?
On average, 60% of all WN3857 flights are delayed. The average delay is 21 minutes.
Can I get compensation for my delayed or cancelled WN3857 flight or baggage issues?
If your WN3857 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 WN3857 Flight Tracker above for more details.
Other flights departing from Las Vegas LAS: WN1263, WN1809, AA3185, DL4074
Other flights arriving at Phoenix PHX: WN3756, AA2421, WN1923, WN2647
All flights connecting Las Vegas LAS to Phoenix PHX.