| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Aug 04 | DEN | ONT | 14:18 | 15:11 |
Landed
|
Track > |
| Aug 02 | DEN | ONT | 20:50 | 17:30 |
Unknown
|
Track > |
| Aug 01 | DEN | ONT | 14:34 | 15:32 |
Landed
|
Track > |
| Jul 31 | DEN | ONT | 14:40 | 15:37 |
Landed
|
Track > |
| Jul 30 | DEN | ONT | 12:12 | 13:12 |
Landed
|
Track > |
| Jul 29 | DEN | ONT | 12:21 | 13:12 |
Landed
|
Track > |
| Jul 28 | DEN | ONT | 14:23 | 15:17 |
Landed
|
Track > |
| Jul 26 | DEN | ONT | 17:00 | 17:57 |
Landed Late
|
Track > |
| Jul 25 | DEN | ONT | 15:07 | 16:02 |
Landed Late
|
Track > |
| Jul 24 | DEN | ONT | 14:31 | 15:28 |
Landed
|
Track > |
Southwest Airlines Flight WN851 connects Denver, United States to Ontario, United States, taking off from Denver International Airport DEN and landing at Ontario International Airport ONT.
How long is the WN851 flight from Denver to Ontario?
The average flight time from Denver to Ontario is 1 hour and 55 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 670 km/h / 417 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN851 Denver to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN851 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN851 arriving at?
Flight WN851 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN851 flight?
The latest flight took off on Monday, August 4th, 2025 with the flight status being Landed on 15:11.
How else can the flight WN851 be referenced as?
This Southwest Airlines flight can also be referenced as SWA851, WN0851, WN 851, SWA 851.
How often is flight WN851 delayed?
On average, 70% of all WN851 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled WN851 flight or baggage issues?
If your WN851 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 WN851 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN1036, AA2943, AA699, WN2877
Other flights arriving at Ontario ONT: WN2511, WN105, WN4575, WN3975
All flights connecting Denver DEN to Ontario ONT.
