| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jun 03 | PHX | ONT | 18:07 | 18:55 |
Landed
|
Track > |
| Jun 02 | PHX | ONT | 17:48 | 18:36 |
Landed
|
Track > |
| Jun 01 | PHX | ONT | 21:08 | 21:56 |
Landed Late
|
Track > |
| May 30 | PHX | ONT | 19:33 | 20:23 |
Landed
|
Track > |
| May 29 | PHX | ONT | 21:30 | 22:22 |
Delayed
|
Track > |
| May 28 | PHX | ONT | 20:16 | 21:08 |
Landed
|
Track > |
| May 27 | PHX | ONT | 18:28 | 19:20 |
Landed Late
|
Track > |
| May 26 | PHX | ONT | 18:03 | 18:55 |
Landed
|
Track > |
| May 25 | PHX | ONT | 20:18 | 21:12 |
Landed
|
Track > |
| May 23 | PHX | ONT | 20:19 | 21:07 |
Landed Late
|
Track > |
Southwest Airlines Flight WN3851 connects Phoenix, United States to Ontario, United States, taking off from Phoenix Sky Harbor International Airport PHX and landing at Ontario International Airport ONT.
How long is the WN3851 flight from Phoenix to Ontario?
The average flight time from Phoenix to Ontario is 50 minutes. The flight distance is 521 km / 324 miles and the average flight speed is 622 km/h / 386 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN3851 Phoenix to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN3851 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN3851 arriving at?
Flight WN3851 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN3851 flight?
The latest flight took off on Thursday, June 4th, 2026 with the flight status being Landed on 18:55.
How else can the flight WN3851 be referenced as?
This Southwest Airlines flight can also be referenced as SWA3851, WN 3851, SWA 3851.
How often is flight WN3851 delayed?
On average, 50% of all WN3851 flights are delayed. The average delay is 38 minutes.
Can I get compensation for my delayed or cancelled WN3851 flight or baggage issues?
If your WN3851 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 WN3851 Flight Tracker above for more details.
Other flights departing from Phoenix PHX: WN3767, WN4633, WN2100, WN1056
Other flights arriving at Ontario ONT: DL745, AS2336, AS2440, WN742
All flights connecting Phoenix PHX to Ontario ONT.