| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 06 | DEN | ONT | 14:37 | 15:31 |
Landed
|
Track > |
| Apr 05 | DEN | ONT | 18:05 | 18:59 |
Landed
|
Track > |
| Apr 03 | DEN | ONT | 14:55 | 15:56 |
Landed Late
|
Track > |
| Apr 02 | DEN | ONT | 14:47 | 15:48 |
Landed
|
Track > |
| Apr 01 | DEN | ONT | 14:23 | 15:21 |
Landed
|
Track > |
| Mar 31 | DEN | ONT | 14:25 | 15:28 |
Landed
|
Track > |
| Mar 30 | DEN | ONT | 15:10 | 16:03 |
Landed Late
|
Track > |
| Mar 29 | DEN | ONT | 18:04 | 19:03 |
Landed
|
Track > |
| Mar 27 | DEN | ONT | 14:23 | 15:22 |
Landed
|
Track > |
| Mar 26 | DEN | ONT | 14:38 | 15:31 |
Landed
|
Track > |
Southwest Airlines Flight WN1855 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 WN1855 flight from Denver to Ontario?
The average flight time from Denver to Ontario is 1 hour and 57 minutes. The flight distance is 1316 km / 818 miles and the average flight speed is 672 km/h / 418 mph.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN1855 Denver to Ontario?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN1855 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight WN1855 arriving at?
Flight WN1855 arrives at Ontario International Airport (ONT) Terminal 4.
When was the latest WN1855 flight?
The latest flight took off on Monday, April 6th, 2026 with the flight status being Landed on 15:31.
How else can the flight WN1855 be referenced as?
This Southwest Airlines flight can also be referenced as SWA1855, WN 1855, SWA 1855.
How often is flight WN1855 delayed?
On average, 30% of all WN1855 flights are delayed. The average delay is 15 minutes.
Can I get compensation for my delayed or cancelled WN1855 flight or baggage issues?
If your WN1855 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 WN1855 Flight Tracker above for more details.
Other flights departing from Denver DEN: WN3232, AA1762, WN2016, WN2439
Other flights arriving at Ontario ONT: WN2167, WN3452, WN4133, AA3139
All flights connecting Denver DEN to Ontario ONT.